21461608

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 47739780

約数和(自身を除く): 26278172

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 1033, 1484, 2066, 2597, 2968, 4132, 5194, 7231, 8264, 10388, 14462, 20776, 28924, 50617, 54749, 57848, 101234, 109498, 202468, 218996, 383243, 404936, 437992, 766486, 1532972, 2682701, 3065944, 5365402, 10730804, 21461608]

約数ペア:

[(1, 21461608), (2, 10730804), (4, 5365402), (7, 3065944), (8, 2682701), (14, 1532972), (28, 766486), (49, 437992), (53, 404936), (56, 383243), (98, 218996), (106, 202468), (196, 109498), (212, 101234), (371, 57848), (392, 54749), (424, 50617), (742, 28924), (1033, 20776), (1484, 14462), (2066, 10388), (2597, 8264), (2968, 7231), (4132, 5194)]