21337050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2903}}^1$

素因数の和:2932

約数の個数: 72

約数和(自身を含む): 61576416

約数和(自身を除く): 40239366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2903, 3675, 5806, 7350, 8709, 14515, 17418, 20321, 29030, 40642, 43545, 60963, 72575, 87090, 101605, 121926, 142247, 145150, 203210, 217725, 284494, 304815, 426741, 435450, 508025, 609630, 711235, 853482, 1016050, 1422470, 1524075, 2133705, 3048150, 3556175, 4267410, 7112350, 10668525, 21337050]

約数ペア:

[(1, 21337050), (2, 10668525), (3, 7112350), (5, 4267410), (6, 3556175), (7, 3048150), (10, 2133705), (14, 1524075), (15, 1422470), (21, 1016050), (25, 853482), (30, 711235), (35, 609630), (42, 508025), (49, 435450), (50, 426741), (70, 304815), (75, 284494), (98, 217725), (105, 203210), (147, 145150), (150, 142247), (175, 121926), (210, 101605), (245, 87090), (294, 72575), (350, 60963), (490, 43545), (525, 40642), (735, 29030), (1050, 20321), (1225, 17418), (1470, 14515), (2450, 8709), (2903, 7350), (3675, 5806)]