21493368

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22963}}^1$

素因数の和:22988

約数の個数: 48

約数和(自身を含む): 62691720

約数和(自身を除く): 41198352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22963, 45926, 68889, 91852, 137778, 183704, 206667, 275556, 298519, 413334, 551112, 597038, 826668, 895557, 1194076, 1653336, 1791114, 2388152, 2686671, 3582228, 5373342, 7164456, 10746684, 21493368]

約数ペア:

[(1, 21493368), (2, 10746684), (3, 7164456), (4, 5373342), (6, 3582228), (8, 2686671), (9, 2388152), (12, 1791114), (13, 1653336), (18, 1194076), (24, 895557), (26, 826668), (36, 597038), (39, 551112), (52, 413334), (72, 298519), (78, 275556), (104, 206667), (117, 183704), (156, 137778), (234, 91852), (312, 68889), (468, 45926), (936, 22963)]