21000762310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{8273}}^1$

素因数の和:8829

約数の個数: 64

約数和(自身を含む): 42206137344

約数和(自身を除く): 21205375034

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 491, 517, 982, 1034, 2455, 2585, 4910, 5170, 5401, 8273, 10802, 16546, 23077, 27005, 41365, 46154, 54010, 82730, 91003, 115385, 182006, 230770, 253847, 388831, 455015, 507694, 777662, 910030, 1269235, 1944155, 2538470, 3888310, 4062043, 4277141, 8124086, 8554282, 20310215, 21385705, 40620430, 42771410, 44682473, 89364946, 190916021, 223412365, 381832042, 446824730, 954580105, 1909160210, 2100076231, 4200152462, 10500381155, 21000762310]

約数ペア:

[(1, 21000762310), (2, 10500381155), (5, 4200152462), (10, 2100076231), (11, 1909160210), (22, 954580105), (47, 446824730), (55, 381832042), (94, 223412365), (110, 190916021), (235, 89364946), (470, 44682473), (491, 42771410), (517, 40620430), (982, 21385705), (1034, 20310215), (2455, 8554282), (2585, 8124086), (4910, 4277141), (5170, 4062043), (5401, 3888310), (8273, 2538470), (10802, 1944155), (16546, 1269235), (23077, 910030), (27005, 777662), (41365, 507694), (46154, 455015), (54010, 388831), (82730, 253847), (91003, 230770), (115385, 182006)]