21512568

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1697

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 46777992

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 392, 462, 539, 588, 616, 924, 1078, 1176, 1617, 1663, 1848, 2156, 3234, 3326, 4312, 4989, 6468, 6652, 9978, 11641, 12936, 13304, 18293, 19956, 23282, 34923, 36586, 39912, 46564, 54879, 69846, 73172, 81487, 93128, 109758, 128051, 139692, 146344, 162974, 219516, 244461, 256102, 279384, 325948, 384153, 439032, 488922, 512204, 651896, 768306, 896357, 977844, 1024408, 1536612, 1792714, 1955688, 2689071, 3073224, 3585428, 5378142, 7170856, 10756284, 21512568]

約数ペア:

[(1, 21512568), (2, 10756284), (3, 7170856), (4, 5378142), (6, 3585428), (7, 3073224), (8, 2689071), (11, 1955688), (12, 1792714), (14, 1536612), (21, 1024408), (22, 977844), (24, 896357), (28, 768306), (33, 651896), (42, 512204), (44, 488922), (49, 439032), (56, 384153), (66, 325948), (77, 279384), (84, 256102), (88, 244461), (98, 219516), (132, 162974), (147, 146344), (154, 139692), (168, 128051), (196, 109758), (231, 93128), (264, 81487), (294, 73172), (308, 69846), (392, 54879), (462, 46564), (539, 39912), (588, 36586), (616, 34923), (924, 23282), (1078, 19956), (1176, 18293), (1617, 13304), (1663, 12936), (1848, 11641), (2156, 9978), (3234, 6652), (3326, 6468), (4312, 4989)]