21221312

素因数分解:

$2^6\times 7^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 84

約数和(自身を含む): 50209704

約数和(自身を除く): 28988392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 98, 101, 112, 134, 196, 202, 224, 268, 392, 404, 448, 469, 536, 707, 784, 808, 938, 1072, 1414, 1568, 1616, 1876, 2144, 2828, 3136, 3232, 3283, 3752, 4288, 4949, 5656, 6464, 6566, 6767, 7504, 9898, 11312, 13132, 13534, 15008, 19796, 22624, 26264, 27068, 30016, 39592, 45248, 47369, 52528, 54136, 79184, 94738, 105056, 108272, 158368, 189476, 210112, 216544, 316736, 331583, 378952, 433088, 663166, 757904, 1326332, 1515808, 2652664, 3031616, 5305328, 10610656, 21221312]

約数ペア:

[(1, 21221312), (2, 10610656), (4, 5305328), (7, 3031616), (8, 2652664), (14, 1515808), (16, 1326332), (28, 757904), (32, 663166), (49, 433088), (56, 378952), (64, 331583), (67, 316736), (98, 216544), (101, 210112), (112, 189476), (134, 158368), (196, 108272), (202, 105056), (224, 94738), (268, 79184), (392, 54136), (404, 52528), (448, 47369), (469, 45248), (536, 39592), (707, 30016), (784, 27068), (808, 26264), (938, 22624), (1072, 19796), (1414, 15008), (1568, 13534), (1616, 13132), (1876, 11312), (2144, 9898), (2828, 7504), (3136, 6767), (3232, 6566), (3283, 6464), (3752, 5656), (4288, 4949)]