21005890202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{1087}}^1$

素因数の和:1515

約数の個数: 64

約数和(自身を含む): 36270194688

約数和(自身を除く): 15264304486

約数列:

[1, 2, 11, 22, 23, 46, 181, 211, 253, 362, 422, 506, 1087, 1991, 2174, 2321, 3982, 4163, 4642, 4853, 8326, 9706, 11957, 23914, 25001, 38191, 45793, 50002, 53383, 76382, 91586, 106766, 196747, 229357, 275011, 393494, 420101, 458714, 550022, 840202, 878393, 1756786, 2164217, 2522927, 4328434, 4525181, 5045854, 5275211, 9050362, 9662323, 10550422, 19324646, 41513617, 49776991, 58027321, 83027234, 99553982, 116054642, 456649787, 913299574, 954813191, 1909626382, 10502945101, 21005890202]

約数ペア:

[(1, 21005890202), (2, 10502945101), (11, 1909626382), (22, 954813191), (23, 913299574), (46, 456649787), (181, 116054642), (211, 99553982), (253, 83027234), (362, 58027321), (422, 49776991), (506, 41513617), (1087, 19324646), (1991, 10550422), (2174, 9662323), (2321, 9050362), (3982, 5275211), (4163, 5045854), (4642, 4525181), (4853, 4328434), (8326, 2522927), (9706, 2164217), (11957, 1756786), (23914, 878393), (25001, 840202), (38191, 550022), (45793, 458714), (50002, 420101), (53383, 393494), (76382, 275011), (91586, 229357), (106766, 196747)]