21587046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 47653200

約数和(自身を除く): 26066154

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 338, 349, 366, 507, 698, 793, 1014, 1047, 1586, 2094, 2379, 4537, 4758, 9074, 10309, 13611, 20618, 21289, 27222, 30927, 42578, 58981, 61854, 63867, 117962, 127734, 176943, 276757, 353886, 553514, 830271, 1660542, 3597841, 7195682, 10793523, 21587046]

約数ペア:

[(1, 21587046), (2, 10793523), (3, 7195682), (6, 3597841), (13, 1660542), (26, 830271), (39, 553514), (61, 353886), (78, 276757), (122, 176943), (169, 127734), (183, 117962), (338, 63867), (349, 61854), (366, 58981), (507, 42578), (698, 30927), (793, 27222), (1014, 21289), (1047, 20618), (1586, 13611), (2094, 10309), (2379, 9074), (4537, 4758)]