21691218

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1951}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 46379520

約数和(自身を除く): 24688302

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 109, 218, 327, 654, 1853, 1951, 3706, 3902, 5559, 5853, 11118, 11706, 33167, 66334, 99501, 199002, 212659, 425318, 637977, 1275954, 3615203, 7230406, 10845609, 21691218]

約数ペア:

[(1, 21691218), (2, 10845609), (3, 7230406), (6, 3615203), (17, 1275954), (34, 637977), (51, 425318), (102, 212659), (109, 199002), (218, 99501), (327, 66334), (654, 33167), (1853, 11706), (1951, 11118), (3706, 5853), (3902, 5559)]