21291786

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{4093}}^1$

素因数の和:4135

約数の個数: 36

約数和(自身を含む): 49017462

約数和(自身を除く): 27725676

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 289, 306, 578, 867, 1734, 2601, 4093, 5202, 8186, 12279, 24558, 36837, 69581, 73674, 139162, 208743, 417486, 626229, 1182877, 1252458, 2365754, 3548631, 7097262, 10645893, 21291786]

約数ペア:

[(1, 21291786), (2, 10645893), (3, 7097262), (6, 3548631), (9, 2365754), (17, 1252458), (18, 1182877), (34, 626229), (51, 417486), (102, 208743), (153, 139162), (289, 73674), (306, 69581), (578, 36837), (867, 24558), (1734, 12279), (2601, 8186), (4093, 5202)]