21853928

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 41952000

約数和(自身を除く): 20098072

約数列:

[1, 2, 4, 8, 79, 151, 158, 229, 302, 316, 458, 604, 632, 916, 1208, 1832, 11929, 18091, 23858, 34579, 36182, 47716, 69158, 72364, 95432, 138316, 144728, 276632, 2731741, 5463482, 10926964, 21853928]

約数ペア:

[(1, 21853928), (2, 10926964), (4, 5463482), (8, 2731741), (79, 276632), (151, 144728), (158, 138316), (229, 95432), (302, 72364), (316, 69158), (458, 47716), (604, 36182), (632, 34579), (916, 23858), (1208, 18091), (1832, 11929)]