21124272

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 59544800

約数和(自身を除く): 38420528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 97, 104, 156, 194, 208, 291, 312, 349, 388, 582, 624, 698, 776, 1047, 1164, 1261, 1396, 1552, 2094, 2328, 2522, 2792, 3783, 4188, 4537, 4656, 5044, 5584, 7566, 8376, 9074, 10088, 13611, 15132, 16752, 18148, 20176, 27222, 30264, 33853, 36296, 54444, 60528, 67706, 72592, 101559, 108888, 135412, 203118, 217776, 270824, 406236, 440089, 541648, 812472, 880178, 1320267, 1624944, 1760356, 2640534, 3520712, 5281068, 7041424, 10562136, 21124272]

約数ペア:

[(1, 21124272), (2, 10562136), (3, 7041424), (4, 5281068), (6, 3520712), (8, 2640534), (12, 1760356), (13, 1624944), (16, 1320267), (24, 880178), (26, 812472), (39, 541648), (48, 440089), (52, 406236), (78, 270824), (97, 217776), (104, 203118), (156, 135412), (194, 108888), (208, 101559), (291, 72592), (312, 67706), (349, 60528), (388, 54444), (582, 36296), (624, 33853), (698, 30264), (776, 27222), (1047, 20176), (1164, 18148), (1261, 16752), (1396, 15132), (1552, 13611), (2094, 10088), (2328, 9074), (2522, 8376), (2792, 7566), (3783, 5584), (4188, 5044), (4537, 4656)]