21154854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4987}}^1$

素因数の和:5100

約数の個数: 32

約数和(自身を含む): 48842496

約数和(自身を除く): 27687642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 4987, 9974, 14961, 29922, 34909, 69818, 104727, 209454, 503687, 1007374, 1511061, 3022122, 3525809, 7051618, 10577427, 21154854]

約数ペア:

[(1, 21154854), (2, 10577427), (3, 7051618), (6, 3525809), (7, 3022122), (14, 1511061), (21, 1007374), (42, 503687), (101, 209454), (202, 104727), (303, 69818), (606, 34909), (707, 29922), (1414, 14961), (2121, 9974), (4242, 4987)]