21069900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 108

約数和(自身を含む): 67771704

約数和(自身を除く): 46701804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 123, 150, 164, 180, 205, 225, 246, 300, 369, 410, 450, 492, 571, 615, 738, 820, 900, 1025, 1142, 1230, 1476, 1713, 1845, 2050, 2284, 2460, 2855, 3075, 3426, 3690, 4100, 5139, 5710, 6150, 6852, 7380, 8565, 9225, 10278, 11420, 12300, 14275, 17130, 18450, 20556, 23411, 25695, 28550, 34260, 36900, 42825, 46822, 51390, 57100, 70233, 85650, 93644, 102780, 117055, 128475, 140466, 171300, 210699, 234110, 256950, 280932, 351165, 421398, 468220, 513900, 585275, 702330, 842796, 1053495, 1170550, 1404660, 1755825, 2106990, 2341100, 3511650, 4213980, 5267475, 7023300, 10534950, 21069900]

約数ペア:

[(1, 21069900), (2, 10534950), (3, 7023300), (4, 5267475), (5, 4213980), (6, 3511650), (9, 2341100), (10, 2106990), (12, 1755825), (15, 1404660), (18, 1170550), (20, 1053495), (25, 842796), (30, 702330), (36, 585275), (41, 513900), (45, 468220), (50, 421398), (60, 351165), (75, 280932), (82, 256950), (90, 234110), (100, 210699), (123, 171300), (150, 140466), (164, 128475), (180, 117055), (205, 102780), (225, 93644), (246, 85650), (300, 70233), (369, 57100), (410, 51390), (450, 46822), (492, 42825), (571, 36900), (615, 34260), (738, 28550), (820, 25695), (900, 23411), (1025, 20556), (1142, 18450), (1230, 17130), (1476, 14275), (1713, 12300), (1845, 11420), (2050, 10278), (2284, 9225), (2460, 8565), (2855, 7380), (3075, 6852), (3426, 6150), (3690, 5710), (4100, 5139)]