21142914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 26290686

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 169, 174, 338, 377, 507, 719, 754, 1014, 1131, 1438, 2157, 2262, 4314, 4901, 9347, 9802, 14703, 18694, 20851, 28041, 29406, 41702, 56082, 62553, 121511, 125106, 243022, 271063, 364533, 542126, 729066, 813189, 1626378, 3523819, 7047638, 10571457, 21142914]

約数ペア:

[(1, 21142914), (2, 10571457), (3, 7047638), (6, 3523819), (13, 1626378), (26, 813189), (29, 729066), (39, 542126), (58, 364533), (78, 271063), (87, 243022), (169, 125106), (174, 121511), (338, 62553), (377, 56082), (507, 41702), (719, 29406), (754, 28041), (1014, 20851), (1131, 18694), (1438, 14703), (2157, 9802), (2262, 9347), (4314, 4901)]