21999618

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{12101}}^1$

素因数の和:12210

約数の個数: 24

約数和(自身を含む): 48141756

約数和(自身を除く): 26142138

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 12101, 24202, 36303, 72606, 108909, 217818, 1222201, 2444402, 3666603, 7333206, 10999809, 21999618]

約数ペア:

[(1, 21999618), (2, 10999809), (3, 7333206), (6, 3666603), (9, 2444402), (18, 1222201), (101, 217818), (202, 108909), (303, 72606), (606, 36303), (909, 24202), (1818, 12101)]