21242064

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 58281984

約数和(自身を除く): 37039920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 271, 276, 284, 368, 426, 542, 552, 568, 813, 852, 1084, 1104, 1136, 1626, 1633, 1704, 2168, 3252, 3266, 3408, 4336, 4899, 6233, 6504, 6532, 9798, 12466, 13008, 13064, 18699, 19241, 19596, 24932, 26128, 37398, 38482, 39192, 49864, 57723, 74796, 76964, 78384, 99728, 115446, 149592, 153928, 230892, 299184, 307856, 442543, 461784, 885086, 923568, 1327629, 1770172, 2655258, 3540344, 5310516, 7080688, 10621032, 21242064]

約数ペア:

[(1, 21242064), (2, 10621032), (3, 7080688), (4, 5310516), (6, 3540344), (8, 2655258), (12, 1770172), (16, 1327629), (23, 923568), (24, 885086), (46, 461784), (48, 442543), (69, 307856), (71, 299184), (92, 230892), (138, 153928), (142, 149592), (184, 115446), (213, 99728), (271, 78384), (276, 76964), (284, 74796), (368, 57723), (426, 49864), (542, 39192), (552, 38482), (568, 37398), (813, 26128), (852, 24932), (1084, 19596), (1104, 19241), (1136, 18699), (1626, 13064), (1633, 13008), (1704, 12466), (2168, 9798), (3252, 6532), (3266, 6504), (3408, 6233), (4336, 4899)]