21891236302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1\times {\mathrm{4133}}^1$

素因数の和:5772

約数の個数: 32

約数和(自身を含む): 35653468032

約数和(自身を除く): 13762231730

約数列:

[1, 2, 13, 26, 137, 274, 1487, 1781, 2974, 3562, 4133, 8266, 19331, 38662, 53729, 107458, 203719, 407438, 566221, 1132442, 2648347, 5296694, 6145771, 7360873, 12291542, 14721746, 79895023, 159790046, 841970627, 1683941254, 10945618151, 21891236302]

約数ペア:

[(1, 21891236302), (2, 10945618151), (13, 1683941254), (26, 841970627), (137, 159790046), (274, 79895023), (1487, 14721746), (1781, 12291542), (2974, 7360873), (3562, 6145771), (4133, 5296694), (8266, 2648347), (19331, 1132442), (38662, 566221), (53729, 407438), (107458, 203719)]