21513606

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 43946496

約数和(自身を除く): 22432890

約数列:

[1, 2, 3, 6, 101, 131, 202, 262, 271, 303, 393, 542, 606, 786, 813, 1626, 13231, 26462, 27371, 35501, 39693, 54742, 71002, 79386, 82113, 106503, 164226, 213006, 3585601, 7171202, 10756803, 21513606]

約数ペア:

[(1, 21513606), (2, 10756803), (3, 7171202), (6, 3585601), (101, 213006), (131, 164226), (202, 106503), (262, 82113), (271, 79386), (303, 71002), (393, 54742), (542, 39693), (606, 35501), (786, 27371), (813, 26462), (1626, 13231)]