21733740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 77156352

約数和(自身を除く): 55422612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 367, 420, 423, 470, 564, 630, 658, 705, 734, 846, 940, 987, 1101, 1260, 1316, 1410, 1468, 1645, 1692, 1835, 1974, 2115, 2202, 2569, 2820, 2961, 3290, 3303, 3670, 3948, 4230, 4404, 4935, 5138, 5505, 5922, 6580, 6606, 7340, 7707, 8460, 9870, 10276, 11010, 11844, 12845, 13212, 14805, 15414, 16515, 17249, 19740, 22020, 23121, 25690, 29610, 30828, 33030, 34498, 38535, 46242, 51380, 51747, 59220, 66060, 68996, 77070, 86245, 92484, 103494, 115605, 120743, 154140, 155241, 172490, 206988, 231210, 241486, 258735, 310482, 344980, 362229, 462420, 482972, 517470, 603715, 620964, 724458, 776205, 1034940, 1086687, 1207430, 1448916, 1552410, 1811145, 2173374, 2414860, 3104820, 3622290, 4346748, 5433435, 7244580, 10866870, 21733740]

約数ペア:

[(1, 21733740), (2, 10866870), (3, 7244580), (4, 5433435), (5, 4346748), (6, 3622290), (7, 3104820), (9, 2414860), (10, 2173374), (12, 1811145), (14, 1552410), (15, 1448916), (18, 1207430), (20, 1086687), (21, 1034940), (28, 776205), (30, 724458), (35, 620964), (36, 603715), (42, 517470), (45, 482972), (47, 462420), (60, 362229), (63, 344980), (70, 310482), (84, 258735), (90, 241486), (94, 231210), (105, 206988), (126, 172490), (140, 155241), (141, 154140), (180, 120743), (188, 115605), (210, 103494), (235, 92484), (252, 86245), (282, 77070), (315, 68996), (329, 66060), (367, 59220), (420, 51747), (423, 51380), (470, 46242), (564, 38535), (630, 34498), (658, 33030), (705, 30828), (734, 29610), (846, 25690), (940, 23121), (987, 22020), (1101, 19740), (1260, 17249), (1316, 16515), (1410, 15414), (1468, 14805), (1645, 13212), (1692, 12845), (1835, 11844), (1974, 11010), (2115, 10276), (2202, 9870), (2569, 8460), (2820, 7707), (2961, 7340), (3290, 6606), (3303, 6580), (3670, 5922), (3948, 5505), (4230, 5138), (4404, 4935)]