21240648

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2099

約数の個数: 96

約数和(自身を含む): 67616640

約数和(自身を除く): 46375992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 198, 234, 264, 286, 312, 396, 429, 468, 572, 792, 858, 936, 1144, 1287, 1716, 2063, 2574, 3432, 4126, 5148, 6189, 8252, 10296, 12378, 16504, 18567, 22693, 24756, 26819, 37134, 45386, 49512, 53638, 68079, 74268, 80457, 90772, 107276, 136158, 148536, 160914, 181544, 204237, 214552, 241371, 272316, 295009, 321828, 408474, 482742, 544632, 590018, 643656, 816948, 885027, 965484, 1180036, 1633896, 1770054, 1930968, 2360072, 2655081, 3540108, 5310162, 7080216, 10620324, 21240648]

約数ペア:

[(1, 21240648), (2, 10620324), (3, 7080216), (4, 5310162), (6, 3540108), (8, 2655081), (9, 2360072), (11, 1930968), (12, 1770054), (13, 1633896), (18, 1180036), (22, 965484), (24, 885027), (26, 816948), (33, 643656), (36, 590018), (39, 544632), (44, 482742), (52, 408474), (66, 321828), (72, 295009), (78, 272316), (88, 241371), (99, 214552), (104, 204237), (117, 181544), (132, 160914), (143, 148536), (156, 136158), (198, 107276), (234, 90772), (264, 80457), (286, 74268), (312, 68079), (396, 53638), (429, 49512), (468, 45386), (572, 37134), (792, 26819), (858, 24756), (936, 22693), (1144, 18567), (1287, 16504), (1716, 12378), (2063, 10296), (2574, 8252), (3432, 6189), (4126, 5148)]