21360612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 63422464

約数和(自身を除く): 42061852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 631, 651, 806, 868, 1092, 1209, 1262, 1302, 1612, 1893, 2418, 2524, 2604, 2821, 3786, 4417, 4836, 5642, 7572, 8203, 8463, 8834, 11284, 13251, 16406, 16926, 17668, 19561, 24609, 26502, 32812, 33852, 39122, 49218, 53004, 57421, 58683, 78244, 98436, 114842, 117366, 136927, 172263, 229684, 234732, 254293, 273854, 344526, 410781, 508586, 547708, 689052, 762879, 821562, 1017172, 1525758, 1643124, 1780051, 3051516, 3560102, 5340153, 7120204, 10680306, 21360612]

約数ペア:

[(1, 21360612), (2, 10680306), (3, 7120204), (4, 5340153), (6, 3560102), (7, 3051516), (12, 1780051), (13, 1643124), (14, 1525758), (21, 1017172), (26, 821562), (28, 762879), (31, 689052), (39, 547708), (42, 508586), (52, 410781), (62, 344526), (78, 273854), (84, 254293), (91, 234732), (93, 229684), (124, 172263), (156, 136927), (182, 117366), (186, 114842), (217, 98436), (273, 78244), (364, 58683), (372, 57421), (403, 53004), (434, 49218), (546, 39122), (631, 33852), (651, 32812), (806, 26502), (868, 24609), (1092, 19561), (1209, 17668), (1262, 16926), (1302, 16406), (1612, 13251), (1893, 11284), (2418, 8834), (2524, 8463), (2604, 8203), (2821, 7572), (3786, 5642), (4417, 4836)]