21136218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1487}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 44568576

約数和(自身を除く): 23432358

約数列:

[1, 2, 3, 6, 23, 46, 69, 103, 138, 206, 309, 618, 1487, 2369, 2974, 4461, 4738, 7107, 8922, 14214, 34201, 68402, 102603, 153161, 205206, 306322, 459483, 918966, 3522703, 7045406, 10568109, 21136218]

約数ペア:

[(1, 21136218), (2, 10568109), (3, 7045406), (6, 3522703), (23, 918966), (46, 459483), (69, 306322), (103, 205206), (138, 153161), (206, 102603), (309, 68402), (618, 34201), (1487, 14214), (2369, 8922), (2974, 7107), (4461, 4738)]