21450750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 55059264

約数和(自身を除く): 33608514

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 185, 222, 250, 370, 375, 555, 750, 773, 925, 1110, 1546, 1850, 2319, 2775, 3865, 4625, 4638, 5550, 7730, 9250, 11595, 13875, 19325, 23190, 27750, 28601, 38650, 57202, 57975, 85803, 96625, 115950, 143005, 171606, 193250, 286010, 289875, 429015, 579750, 715025, 858030, 1430050, 2145075, 3575125, 4290150, 7150250, 10725375, 21450750]

約数ペア:

[(1, 21450750), (2, 10725375), (3, 7150250), (5, 4290150), (6, 3575125), (10, 2145075), (15, 1430050), (25, 858030), (30, 715025), (37, 579750), (50, 429015), (74, 289875), (75, 286010), (111, 193250), (125, 171606), (150, 143005), (185, 115950), (222, 96625), (250, 85803), (370, 57975), (375, 57202), (555, 38650), (750, 28601), (773, 27750), (925, 23190), (1110, 19325), (1546, 13875), (1850, 11595), (2319, 9250), (2775, 7730), (3865, 5550), (4625, 4638)]