21224190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54421}}^1$

素因数の和:54444

約数の個数: 32

約数和(自身を含む): 54857376

約数和(自身を除く): 33633186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54421, 108842, 163263, 272105, 326526, 544210, 707473, 816315, 1414946, 1632630, 2122419, 3537365, 4244838, 7074730, 10612095, 21224190]

約数ペア:

[(1, 21224190), (2, 10612095), (3, 7074730), (5, 4244838), (6, 3537365), (10, 2122419), (13, 1632630), (15, 1414946), (26, 816315), (30, 707473), (39, 544210), (65, 326526), (78, 272105), (130, 163263), (195, 108842), (390, 54421)]