21455100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:820

約数の個数: 108

約数和(自身を含む): 69509440

約数和(自身を除く): 48054340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 769, 775, 900, 930, 1116, 1395, 1538, 1550, 1860, 2307, 2325, 2790, 3076, 3100, 3845, 4614, 4650, 5580, 6921, 6975, 7690, 9228, 9300, 11535, 13842, 13950, 15380, 19225, 23070, 23839, 27684, 27900, 34605, 38450, 46140, 47678, 57675, 69210, 71517, 76900, 95356, 115350, 119195, 138420, 143034, 173025, 214551, 230700, 238390, 286068, 346050, 357585, 429102, 476780, 595975, 692100, 715170, 858204, 1072755, 1191950, 1430340, 1787925, 2145510, 2383900, 3575850, 4291020, 5363775, 7151700, 10727550, 21455100]

約数ペア:

[(1, 21455100), (2, 10727550), (3, 7151700), (4, 5363775), (5, 4291020), (6, 3575850), (9, 2383900), (10, 2145510), (12, 1787925), (15, 1430340), (18, 1191950), (20, 1072755), (25, 858204), (30, 715170), (31, 692100), (36, 595975), (45, 476780), (50, 429102), (60, 357585), (62, 346050), (75, 286068), (90, 238390), (93, 230700), (100, 214551), (124, 173025), (150, 143034), (155, 138420), (180, 119195), (186, 115350), (225, 95356), (279, 76900), (300, 71517), (310, 69210), (372, 57675), (450, 47678), (465, 46140), (558, 38450), (620, 34605), (769, 27900), (775, 27684), (900, 23839), (930, 23070), (1116, 19225), (1395, 15380), (1538, 13950), (1550, 13842), (1860, 11535), (2307, 9300), (2325, 9228), (2790, 7690), (3076, 6975), (3100, 6921), (3845, 5580), (4614, 4650)]