21094736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2799

約数の個数: 40

約数和(自身を含む): 45221064

約数和(自身を除く): 24126328

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2741, 3848, 5482, 7696, 10964, 21928, 35633, 43856, 71266, 101417, 142532, 202834, 285064, 405668, 570128, 811336, 1318421, 1622672, 2636842, 5273684, 10547368, 21094736]

約数ペア:

[(1, 21094736), (2, 10547368), (4, 5273684), (8, 2636842), (13, 1622672), (16, 1318421), (26, 811336), (37, 570128), (52, 405668), (74, 285064), (104, 202834), (148, 142532), (208, 101417), (296, 71266), (481, 43856), (592, 35633), (962, 21928), (1924, 10964), (2741, 7696), (3848, 5482)]