21098968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12619}}^1$

素因数の和:12655

約数の個数: 32

約数和(自身を含む): 45432000

約数和(自身を除く): 24333032

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12619, 25238, 50476, 100952, 138809, 239761, 277618, 479522, 555236, 959044, 1110472, 1918088, 2637371, 5274742, 10549484, 21098968]

約数ペア:

[(1, 21098968), (2, 10549484), (4, 5274742), (8, 2637371), (11, 1918088), (19, 1110472), (22, 959044), (38, 555236), (44, 479522), (76, 277618), (88, 239761), (152, 138809), (209, 100952), (418, 50476), (836, 25238), (1672, 12619)]