21282846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 46730880

約数和(自身を除く): 25448034

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 151, 169, 278, 302, 338, 417, 453, 507, 834, 906, 1014, 1807, 1963, 3614, 3926, 5421, 5889, 10842, 11778, 20989, 23491, 25519, 41978, 46982, 51038, 62967, 70473, 76557, 125934, 140946, 153114, 272857, 545714, 818571, 1637142, 3547141, 7094282, 10641423, 21282846]

約数ペア:

[(1, 21282846), (2, 10641423), (3, 7094282), (6, 3547141), (13, 1637142), (26, 818571), (39, 545714), (78, 272857), (139, 153114), (151, 140946), (169, 125934), (278, 76557), (302, 70473), (338, 62967), (417, 51038), (453, 46982), (507, 41978), (834, 25519), (906, 23491), (1014, 20989), (1807, 11778), (1963, 10842), (3614, 5889), (3926, 5421)]