21937266

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 51531480

約数和(自身を除く): 29594214

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 241, 389, 482, 723, 778, 1167, 1446, 2169, 2334, 3133, 3501, 4338, 5057, 6266, 7002, 9399, 10114, 15171, 18798, 28197, 30342, 45513, 56394, 91026, 93749, 187498, 281247, 562494, 843741, 1218737, 1687482, 2437474, 3656211, 7312422, 10968633, 21937266]

約数ペア:

[(1, 21937266), (2, 10968633), (3, 7312422), (6, 3656211), (9, 2437474), (13, 1687482), (18, 1218737), (26, 843741), (39, 562494), (78, 281247), (117, 187498), (234, 93749), (241, 91026), (389, 56394), (482, 45513), (723, 30342), (778, 28197), (1167, 18798), (1446, 15171), (2169, 10114), (2334, 9399), (3133, 7002), (3501, 6266), (4338, 5057)]