21764184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 59404800

約数和(自身を除く): 37640616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 883, 948, 1027, 1766, 1896, 2054, 2649, 3081, 3532, 4108, 5298, 6162, 7064, 8216, 10596, 11479, 12324, 21192, 22958, 24648, 34437, 45916, 68874, 69757, 91832, 137748, 139514, 209271, 275496, 279028, 418542, 558056, 837084, 906841, 1674168, 1813682, 2720523, 3627364, 5441046, 7254728, 10882092, 21764184]

約数ペア:

[(1, 21764184), (2, 10882092), (3, 7254728), (4, 5441046), (6, 3627364), (8, 2720523), (12, 1813682), (13, 1674168), (24, 906841), (26, 837084), (39, 558056), (52, 418542), (78, 279028), (79, 275496), (104, 209271), (156, 139514), (158, 137748), (237, 91832), (312, 69757), (316, 68874), (474, 45916), (632, 34437), (883, 24648), (948, 22958), (1027, 21192), (1766, 12324), (1896, 11479), (2054, 10596), (2649, 8216), (3081, 7064), (3532, 6162), (4108, 5298)]