21428304801

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1\times {\mathrm{2347}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 29739429888

約数和(自身を除く): 8311125087

約数列:

[1, 3, 37, 83, 111, 249, 991, 2347, 2973, 3071, 7041, 9213, 36667, 82253, 86839, 110001, 194801, 246759, 260517, 584403, 2325877, 3043361, 6977631, 7207637, 9130083, 21622911, 86057449, 193047791, 258172347, 579143373, 7142768267, 21428304801]

約数ペア:

[(1, 21428304801), (3, 7142768267), (37, 579143373), (83, 258172347), (111, 193047791), (249, 86057449), (991, 21622911), (2347, 9130083), (2973, 7207637), (3071, 6977631), (7041, 3043361), (9213, 2325877), (36667, 584403), (82253, 260517), (86839, 246759), (110001, 194801)]