21000612344

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{1277}}^1\times {\mathrm{26021}}^1$

素因数の和:27383

約数の個数: 32

約数和(自身を含む): 39907339200

約数和(自身を除く): 18906726856

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 1277, 2554, 5108, 10216, 26021, 52042, 100883, 104084, 201766, 208168, 403532, 807064, 2055659, 4111318, 8222636, 16445272, 33228817, 66457634, 132915268, 265830536, 2625076543, 5250153086, 10500306172, 21000612344]

約数ペア:

[(1, 21000612344), (2, 10500306172), (4, 5250153086), (8, 2625076543), (79, 265830536), (158, 132915268), (316, 66457634), (632, 33228817), (1277, 16445272), (2554, 8222636), (5108, 4111318), (10216, 2055659), (26021, 807064), (52042, 403532), (100883, 208168), (104084, 201766)]