21708492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3761}}^1$

素因数の和:3818

約数の個数: 48

約数和(自身を含む): 56038752

約数和(自身を除く): 34330260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3761, 5772, 7522, 11283, 15044, 22566, 45132, 48893, 97786, 139157, 146679, 195572, 278314, 293358, 417471, 556628, 586716, 834942, 1669884, 1809041, 3618082, 5427123, 7236164, 10854246, 21708492]

約数ペア:

[(1, 21708492), (2, 10854246), (3, 7236164), (4, 5427123), (6, 3618082), (12, 1809041), (13, 1669884), (26, 834942), (37, 586716), (39, 556628), (52, 417471), (74, 293358), (78, 278314), (111, 195572), (148, 146679), (156, 139157), (222, 97786), (444, 48893), (481, 45132), (962, 22566), (1443, 15044), (1924, 11283), (2886, 7522), (3761, 5772)]