21705750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{877}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 64101024

約数和(自身を除く): 42395274

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 125, 150, 165, 198, 225, 250, 275, 330, 375, 450, 495, 550, 750, 825, 877, 990, 1125, 1375, 1650, 1754, 2250, 2475, 2631, 2750, 4125, 4385, 4950, 5262, 7893, 8250, 8770, 9647, 12375, 13155, 15786, 19294, 21925, 24750, 26310, 28941, 39465, 43850, 48235, 57882, 65775, 78930, 86823, 96470, 109625, 131550, 144705, 173646, 197325, 219250, 241175, 289410, 328875, 394650, 434115, 482350, 657750, 723525, 868230, 986625, 1205875, 1447050, 1973250, 2170575, 2411750, 3617625, 4341150, 7235250, 10852875, 21705750]

約数ペア:

[(1, 21705750), (2, 10852875), (3, 7235250), (5, 4341150), (6, 3617625), (9, 2411750), (10, 2170575), (11, 1973250), (15, 1447050), (18, 1205875), (22, 986625), (25, 868230), (30, 723525), (33, 657750), (45, 482350), (50, 434115), (55, 394650), (66, 328875), (75, 289410), (90, 241175), (99, 219250), (110, 197325), (125, 173646), (150, 144705), (165, 131550), (198, 109625), (225, 96470), (250, 86823), (275, 78930), (330, 65775), (375, 57882), (450, 48235), (495, 43850), (550, 39465), (750, 28941), (825, 26310), (877, 24750), (990, 21925), (1125, 19294), (1375, 15786), (1650, 13155), (1754, 12375), (2250, 9647), (2475, 8770), (2631, 8250), (2750, 7893), (4125, 5262), (4385, 4950)]