21170736

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1954

約数の個数: 60

約数和(自身を含む): 60030880

約数和(自身を除く): 38860144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1861, 1896, 2844, 3722, 3792, 5583, 5688, 7444, 11166, 11376, 14888, 16749, 22332, 29776, 33498, 44664, 66996, 89328, 133992, 147019, 267984, 294038, 441057, 588076, 882114, 1176152, 1323171, 1764228, 2352304, 2646342, 3528456, 5292684, 7056912, 10585368, 21170736]

約数ペア:

[(1, 21170736), (2, 10585368), (3, 7056912), (4, 5292684), (6, 3528456), (8, 2646342), (9, 2352304), (12, 1764228), (16, 1323171), (18, 1176152), (24, 882114), (36, 588076), (48, 441057), (72, 294038), (79, 267984), (144, 147019), (158, 133992), (237, 89328), (316, 66996), (474, 44664), (632, 33498), (711, 29776), (948, 22332), (1264, 16749), (1422, 14888), (1861, 11376), (1896, 11166), (2844, 7444), (3722, 5688), (3792, 5583)]