21381569488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1874261}}^1$

素因数の和:1874323

約数の個数: 40

約数和(自身を含む): 44622429696

約数和(自身を除く): 23240860208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2852, 5704, 11408, 1874261, 3748522, 7497044, 14994088, 29988176, 43108003, 58102091, 86216006, 116204182, 172432012, 232408364, 344864024, 464816728, 689728048, 929633456, 1336348093, 2672696186, 5345392372, 10690784744, 21381569488]

約数ペア:

[(1, 21381569488), (2, 10690784744), (4, 5345392372), (8, 2672696186), (16, 1336348093), (23, 929633456), (31, 689728048), (46, 464816728), (62, 344864024), (92, 232408364), (124, 172432012), (184, 116204182), (248, 86216006), (368, 58102091), (496, 43108003), (713, 29988176), (1426, 14994088), (2852, 7497044), (5704, 3748522), (11408, 1874261)]