21510996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10607}}^1$

素因数の和:10640

約数の個数: 36

約数和(自身を含む): 54355392

約数和(自身を除く): 32844396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10607, 21214, 31821, 42428, 63642, 127284, 137891, 275782, 413673, 551564, 827346, 1654692, 1792583, 3585166, 5377749, 7170332, 10755498, 21510996]

約数ペア:

[(1, 21510996), (2, 10755498), (3, 7170332), (4, 5377749), (6, 3585166), (12, 1792583), (13, 1654692), (26, 827346), (39, 551564), (52, 413673), (78, 275782), (156, 137891), (169, 127284), (338, 63642), (507, 42428), (676, 31821), (1014, 21214), (2028, 10607)]