21528156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2339}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 33508644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2301, 2339, 3068, 4602, 4678, 7017, 9204, 9356, 14034, 28068, 30407, 60814, 91221, 121628, 138001, 182442, 276002, 364884, 414003, 552004, 828006, 1656012, 1794013, 3588026, 5382039, 7176052, 10764078, 21528156]

約数ペア:

[(1, 21528156), (2, 10764078), (3, 7176052), (4, 5382039), (6, 3588026), (12, 1794013), (13, 1656012), (26, 828006), (39, 552004), (52, 414003), (59, 364884), (78, 276002), (118, 182442), (156, 138001), (177, 121628), (236, 91221), (354, 60814), (708, 30407), (767, 28068), (1534, 14034), (2301, 9356), (2339, 9204), (3068, 7017), (4602, 4678)]