21231877968

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{727}}^1\times {\mathrm{4139}}^1$

素因数の和:4894

約数の個数: 180

約数和(自身を含む): 69232756320

約数和(自身を除く): 48000878352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 727, 784, 882, 1008, 1176, 1454, 1764, 2181, 2352, 2908, 3528, 4139, 4362, 5089, 5816, 6543, 7056, 8278, 8724, 10178, 11632, 12417, 13086, 15267, 16556, 17448, 20356, 24834, 26172, 28973, 30534, 33112, 34896, 35623, 37251, 40712, 45801, 49668, 52344, 57946, 61068, 66224, 71246, 74502, 81424, 86919, 91602, 99336, 104688, 106869, 115892, 122136, 142492, 149004, 173838, 183204, 198672, 202811, 213738, 231784, 244272, 260757, 284984, 298008, 320607, 347676, 366408, 405622, 427476, 463568, 521514, 569968, 596016, 608433, 641214, 695352, 732816, 811244, 854952, 1043028, 1216866, 1282428, 1390704, 1622488, 1709904, 1825299, 2086056, 2433732, 2564856, 3009053, 3244976, 3650598, 4172112, 4867464, 5129712, 6018106, 7301196, 9027159, 9734928, 12036212, 14602392, 18054318, 21063371, 24072424, 27081477, 29204784, 36108636, 42126742, 48144848, 54162954, 63190113, 72217272, 84253484, 108325908, 126380226, 144434544, 147443597, 168506968, 189570339, 216651816, 252760452, 294887194, 337013936, 379140678, 433303632, 442330791, 505520904, 589774388, 758281356, 884661582, 1011041808, 1179548776, 1326992373, 1516562712, 1769323164, 2359097552, 2653984746, 3033125424, 3538646328, 5307969492, 7077292656, 10615938984, 21231877968]

約数ペア:

[(1, 21231877968), (2, 10615938984), (3, 7077292656), (4, 5307969492), (6, 3538646328), (7, 3033125424), (8, 2653984746), (9, 2359097552), (12, 1769323164), (14, 1516562712), (16, 1326992373), (18, 1179548776), (21, 1011041808), (24, 884661582), (28, 758281356), (36, 589774388), (42, 505520904), (48, 442330791), (49, 433303632), (56, 379140678), (63, 337013936), (72, 294887194), (84, 252760452), (98, 216651816), (112, 189570339), (126, 168506968), (144, 147443597), (147, 144434544), (168, 126380226), (196, 108325908), (252, 84253484), (294, 72217272), (336, 63190113), (392, 54162954), (441, 48144848), (504, 42126742), (588, 36108636), (727, 29204784), (784, 27081477), (882, 24072424), (1008, 21063371), (1176, 18054318), (1454, 14602392), (1764, 12036212), (2181, 9734928), (2352, 9027159), (2908, 7301196), (3528, 6018106), (4139, 5129712), (4362, 4867464), (5089, 4172112), (5816, 3650598), (6543, 3244976), (7056, 3009053), (8278, 2564856), (8724, 2433732), (10178, 2086056), (11632, 1825299), (12417, 1709904), (13086, 1622488), (15267, 1390704), (16556, 1282428), (17448, 1216866), (20356, 1043028), (24834, 854952), (26172, 811244), (28973, 732816), (30534, 695352), (33112, 641214), (34896, 608433), (35623, 596016), (37251, 569968), (40712, 521514), (45801, 463568), (49668, 427476), (52344, 405622), (57946, 366408), (61068, 347676), (66224, 320607), (71246, 298008), (74502, 284984), (81424, 260757), (86919, 244272), (91602, 231784), (99336, 213738), (104688, 202811), (106869, 198672), (115892, 183204), (122136, 173838), (142492, 149004)]