21498276.000000000

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3039

約数の個数: 120

約数和(自身を含む): 591268704

約数和(自身を除く): 409448688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 488, 504, 549, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 2196, 2562, 2928, 2957, 3416, 3843, 4392, 5124, 5914, 6832, 7686, 8784, 8871, 10248, 11828, 15372, 17742, 20496, 20699, 23656, 26613, 30744, 35484, 41398, 47312, 53226, 61488, 62097, 70968, 82796, 106452, 124194, 141936, 165592, 180377, 186291, 212904, 248388, 331184, 360754, 372582, 425808, 496776, 541131, 721508, 745164, 993552, 1082262, 1262639, 1443016, 1490328, 1623393, 2164524, 2525278, 2886032, 2980656, 3246786, 3787917, 4329048, 5050556, 6493572, 7575834, 8658096, 10101112, 11363751, 12987144, 15151668, 20202224, 22727502, 25974288, 30303336, 45455004, 60606672, 90910008, 181820016]

約数ペア:

[(1, 181820016), (2, 90910008), (3, 60606672), (4, 45455004), (6, 30303336), (7, 25974288), (8, 22727502), (9, 20202224), (12, 15151668), (14, 12987144), (16, 11363751), (18, 10101112), (21, 8658096), (24, 7575834), (28, 6493572), (36, 5050556), (42, 4329048), (48, 3787917), (56, 3246786), (61, 2980656), (63, 2886032), (72, 2525278), (84, 2164524), (112, 1623393), (122, 1490328), (126, 1443016), (144, 1262639), (168, 1082262), (183, 993552), (244, 745164), (252, 721508), (336, 541131), (366, 496776), (427, 425808), (488, 372582), (504, 360754), (549, 331184), (732, 248388), (854, 212904), (976, 186291), (1008, 180377), (1098, 165592), (1281, 141936), (1464, 124194), (1708, 106452), (2196, 82796), (2562, 70968), (2928, 62097), (2957, 61488), (3416, 53226), (3843, 47312), (4392, 41398), (5124, 35484), (5914, 30744), (6832, 26613), (7686, 23656), (8784, 20699), (8871, 20496), (10248, 17742), (11828, 15372)]