21376854

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69859}}^1$

素因数の和:69884

約数の個数: 24

約数和(自身を含む): 49041720

約数和(自身を除く): 27664866

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69859, 139718, 209577, 419154, 628731, 1187603, 1257462, 2375206, 3562809, 7125618, 10688427, 21376854]

約数ペア:

[(1, 21376854), (2, 10688427), (3, 7125618), (6, 3562809), (9, 2375206), (17, 1257462), (18, 1187603), (34, 628731), (51, 419154), (102, 209577), (153, 139718), (306, 69859)]