21872484

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 38338716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 47, 54, 62, 93, 94, 108, 124, 139, 141, 186, 188, 278, 279, 282, 372, 417, 423, 556, 558, 564, 834, 837, 846, 1116, 1251, 1269, 1457, 1668, 1674, 1692, 2502, 2538, 2914, 3348, 3753, 4309, 4371, 5004, 5076, 5828, 6533, 7506, 8618, 8742, 12927, 13066, 13113, 15012, 17236, 17484, 19599, 25854, 26132, 26226, 38781, 39198, 39339, 51708, 52452, 58797, 77562, 78396, 78678, 116343, 117594, 155124, 157356, 176391, 202523, 232686, 235188, 352782, 405046, 465372, 607569, 705564, 810092, 1215138, 1822707, 2430276, 3645414, 5468121, 7290828, 10936242, 21872484]

約数ペア:

[(1, 21872484), (2, 10936242), (3, 7290828), (4, 5468121), (6, 3645414), (9, 2430276), (12, 1822707), (18, 1215138), (27, 810092), (31, 705564), (36, 607569), (47, 465372), (54, 405046), (62, 352782), (93, 235188), (94, 232686), (108, 202523), (124, 176391), (139, 157356), (141, 155124), (186, 117594), (188, 116343), (278, 78678), (279, 78396), (282, 77562), (372, 58797), (417, 52452), (423, 51708), (556, 39339), (558, 39198), (564, 38781), (834, 26226), (837, 26132), (846, 25854), (1116, 19599), (1251, 17484), (1269, 17236), (1457, 15012), (1668, 13113), (1674, 13066), (1692, 12927), (2502, 8742), (2538, 8618), (2914, 7506), (3348, 6533), (3753, 5828), (4309, 5076), (4371, 5004)]