21804904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7993}}^1$

素因数の和:8041

約数の個数: 32

約数和(自身を含む): 46045440

約数和(自身を除く): 24240536

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7993, 15986, 31972, 63944, 87923, 175846, 247783, 351692, 495566, 703384, 991132, 1982264, 2725613, 5451226, 10902452, 21804904]

約数ペア:

[(1, 21804904), (2, 10902452), (4, 5451226), (8, 2725613), (11, 1982264), (22, 991132), (31, 703384), (44, 495566), (62, 351692), (88, 247783), (124, 175846), (248, 87923), (341, 63944), (682, 31972), (1364, 15986), (2728, 7993)]