21009028584

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{66161}}^1$

素因数の和:66402

約数の個数: 64

約数和(自身を含む): 53448310080

約数和(自身を除く): 32439281496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 131, 202, 262, 303, 393, 404, 524, 606, 786, 808, 1048, 1212, 1572, 2424, 3144, 13231, 26462, 39693, 52924, 66161, 79386, 105848, 132322, 158772, 198483, 264644, 317544, 396966, 529288, 793932, 1587864, 6682261, 8667091, 13364522, 17334182, 20046783, 26001273, 26729044, 34668364, 40093566, 52002546, 53458088, 69336728, 80187132, 104005092, 160374264, 208010184, 875376191, 1750752382, 2626128573, 3501504764, 5252257146, 7003009528, 10504514292, 21009028584]

約数ペア:

[(1, 21009028584), (2, 10504514292), (3, 7003009528), (4, 5252257146), (6, 3501504764), (8, 2626128573), (12, 1750752382), (24, 875376191), (101, 208010184), (131, 160374264), (202, 104005092), (262, 80187132), (303, 69336728), (393, 53458088), (404, 52002546), (524, 40093566), (606, 34668364), (786, 26729044), (808, 26001273), (1048, 20046783), (1212, 17334182), (1572, 13364522), (2424, 8667091), (3144, 6682261), (13231, 1587864), (26462, 793932), (39693, 529288), (52924, 396966), (66161, 317544), (79386, 264644), (105848, 198483), (132322, 158772)]