21623940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9241}}^1$

素因数の和:9269

約数の個数: 72

約数和(自身を含む): 70645848

約数和(自身を除く): 49021908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9241, 18482, 27723, 36964, 46205, 55446, 83169, 92410, 110892, 120133, 138615, 166338, 184820, 240266, 277230, 332676, 360399, 415845, 480532, 554460, 600665, 720798, 831690, 1081197, 1201330, 1441596, 1663380, 1801995, 2162394, 2402660, 3603990, 4324788, 5405985, 7207980, 10811970, 21623940]

約数ペア:

[(1, 21623940), (2, 10811970), (3, 7207980), (4, 5405985), (5, 4324788), (6, 3603990), (9, 2402660), (10, 2162394), (12, 1801995), (13, 1663380), (15, 1441596), (18, 1201330), (20, 1081197), (26, 831690), (30, 720798), (36, 600665), (39, 554460), (45, 480532), (52, 415845), (60, 360399), (65, 332676), (78, 277230), (90, 240266), (117, 184820), (130, 166338), (156, 138615), (180, 120133), (195, 110892), (234, 92410), (260, 83169), (390, 55446), (468, 46205), (585, 36964), (780, 27723), (1170, 18482), (2340, 9241)]