21956007.000000000

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{116201}}^1$

素因数の和:116243

約数の個数: 40

約数和(自身を含む): 461089536

約数和(自身を除く): 288182448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 116201, 232402, 348603, 464804, 697206, 929608, 1394412, 1859216, 2788824, 3602231, 5577648, 7204462, 10806693, 14408924, 21613386, 28817848, 43226772, 57635696, 86453544, 172907088]

約数ペア:

[(1, 172907088), (2, 86453544), (3, 57635696), (4, 43226772), (6, 28817848), (8, 21613386), (12, 14408924), (16, 10806693), (24, 7204462), (31, 5577648), (48, 3602231), (62, 2788824), (93, 1859216), (124, 1394412), (186, 929608), (248, 697206), (372, 464804), (496, 348603), (744, 232402), (1488, 116201)]