21476800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 84

約数和(自身を含む): 54677056

約数和(自身を除く): 33200256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 433, 496, 620, 775, 800, 866, 992, 1240, 1550, 1600, 1732, 1984, 2165, 2480, 3100, 3464, 4330, 4960, 6200, 6928, 8660, 9920, 10825, 12400, 13423, 13856, 17320, 21650, 24800, 26846, 27712, 34640, 43300, 49600, 53692, 67115, 69280, 86600, 107384, 134230, 138560, 173200, 214768, 268460, 335575, 346400, 429536, 536920, 671150, 692800, 859072, 1073840, 1342300, 2147680, 2684600, 4295360, 5369200, 10738400, 21476800]

約数ペア:

[(1, 21476800), (2, 10738400), (4, 5369200), (5, 4295360), (8, 2684600), (10, 2147680), (16, 1342300), (20, 1073840), (25, 859072), (31, 692800), (32, 671150), (40, 536920), (50, 429536), (62, 346400), (64, 335575), (80, 268460), (100, 214768), (124, 173200), (155, 138560), (160, 134230), (200, 107384), (248, 86600), (310, 69280), (320, 67115), (400, 53692), (433, 49600), (496, 43300), (620, 34640), (775, 27712), (800, 26846), (866, 24800), (992, 21650), (1240, 17320), (1550, 13856), (1600, 13423), (1732, 12400), (1984, 10825), (2165, 9920), (2480, 8660), (3100, 6928), (3464, 6200), (4330, 4960)]