21872604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 55389600

約数和(自身を除く): 33516996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 894, 941, 1788, 1882, 1937, 2823, 3764, 3874, 5646, 5811, 7748, 11292, 11622, 12233, 23244, 24466, 36699, 48932, 73398, 140209, 146796, 280418, 420627, 560836, 841254, 1682508, 1822717, 3645434, 5468151, 7290868, 10936302, 21872604]

約数ペア:

[(1, 21872604), (2, 10936302), (3, 7290868), (4, 5468151), (6, 3645434), (12, 1822717), (13, 1682508), (26, 841254), (39, 560836), (52, 420627), (78, 280418), (149, 146796), (156, 140209), (298, 73398), (447, 48932), (596, 36699), (894, 24466), (941, 23244), (1788, 12233), (1882, 11622), (1937, 11292), (2823, 7748), (3764, 5811), (3874, 5646)]