21168366

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 26109714

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 71, 74, 79, 102, 111, 142, 158, 213, 222, 237, 426, 474, 629, 1207, 1258, 1343, 1887, 2414, 2627, 2686, 2923, 3621, 3774, 4029, 5254, 5609, 5846, 7242, 7881, 8058, 8769, 11218, 15762, 16827, 17538, 33654, 44659, 49691, 89318, 95353, 99382, 133977, 149073, 190706, 207533, 267954, 286059, 298146, 415066, 572118, 622599, 1245198, 3528061, 7056122, 10584183, 21168366]

約数ペア:

[(1, 21168366), (2, 10584183), (3, 7056122), (6, 3528061), (17, 1245198), (34, 622599), (37, 572118), (51, 415066), (71, 298146), (74, 286059), (79, 267954), (102, 207533), (111, 190706), (142, 149073), (158, 133977), (213, 99382), (222, 95353), (237, 89318), (426, 49691), (474, 44659), (629, 33654), (1207, 17538), (1258, 16827), (1343, 15762), (1887, 11218), (2414, 8769), (2627, 8058), (2686, 7881), (2923, 7242), (3621, 5846), (3774, 5609), (4029, 5254)]