21032644

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 16666556

約数列:

[1, 2, 4, 79, 101, 158, 202, 316, 404, 659, 1318, 2636, 7979, 15958, 31916, 52061, 66559, 104122, 133118, 208244, 266236, 5258161, 10516322, 21032644]

約数ペア:

[(1, 21032644), (2, 10516322), (4, 5258161), (79, 266236), (101, 208244), (158, 133118), (202, 104122), (316, 66559), (404, 52061), (659, 31916), (1318, 15958), (2636, 7979)]