21737240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2677}}^1$

素因数の和:2724

約数の個数: 64

約数和(自身を含む): 57844800

約数和(自身を除く): 36107560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2677, 4060, 5354, 8120, 10708, 13385, 18739, 21416, 26770, 37478, 53540, 74956, 77633, 93695, 107080, 149912, 155266, 187390, 310532, 374780, 388165, 543431, 621064, 749560, 776330, 1086862, 1552660, 2173724, 2717155, 3105320, 4347448, 5434310, 10868620, 21737240]

約数ペア:

[(1, 21737240), (2, 10868620), (4, 5434310), (5, 4347448), (7, 3105320), (8, 2717155), (10, 2173724), (14, 1552660), (20, 1086862), (28, 776330), (29, 749560), (35, 621064), (40, 543431), (56, 388165), (58, 374780), (70, 310532), (116, 187390), (140, 155266), (145, 149912), (203, 107080), (232, 93695), (280, 77633), (290, 74956), (406, 53540), (580, 37478), (812, 26770), (1015, 21416), (1160, 18739), (1624, 13385), (2030, 10708), (2677, 8120), (4060, 5354)]