21326904

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4500

約数の個数: 48

約数和(自身を含む): 58635720

約数和(自身を除く): 37308816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4421, 4824, 8842, 13263, 17684, 26526, 35368, 39789, 53052, 79578, 106104, 159156, 296207, 318312, 592414, 888621, 1184828, 1777242, 2369656, 2665863, 3554484, 5331726, 7108968, 10663452, 21326904]

約数ペア:

[(1, 21326904), (2, 10663452), (3, 7108968), (4, 5331726), (6, 3554484), (8, 2665863), (9, 2369656), (12, 1777242), (18, 1184828), (24, 888621), (36, 592414), (67, 318312), (72, 296207), (134, 159156), (201, 106104), (268, 79578), (402, 53052), (536, 39789), (603, 35368), (804, 26526), (1206, 17684), (1608, 13263), (2412, 8842), (4421, 4824)]