21764930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 46096128

約数和(自身を除く): 24331198

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 103, 110, 113, 170, 187, 206, 226, 374, 515, 565, 935, 1030, 1130, 1133, 1243, 1751, 1870, 1921, 2266, 2486, 3502, 3842, 5665, 6215, 8755, 9605, 11330, 11639, 12430, 17510, 19210, 19261, 21131, 23278, 38522, 42262, 58195, 96305, 105655, 116390, 128029, 192610, 197863, 211310, 256058, 395726, 640145, 989315, 1280290, 1978630, 2176493, 4352986, 10882465, 21764930]

約数ペア:

[(1, 21764930), (2, 10882465), (5, 4352986), (10, 2176493), (11, 1978630), (17, 1280290), (22, 989315), (34, 640145), (55, 395726), (85, 256058), (103, 211310), (110, 197863), (113, 192610), (170, 128029), (187, 116390), (206, 105655), (226, 96305), (374, 58195), (515, 42262), (565, 38522), (935, 23278), (1030, 21131), (1130, 19261), (1133, 19210), (1243, 17510), (1751, 12430), (1870, 11639), (1921, 11330), (2266, 9605), (2486, 8755), (3502, 6215), (3842, 5665)]