21730250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 43080336

約数和(自身を除く): 21350086

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5113, 10226, 25565, 51130, 86921, 127825, 173842, 255650, 434605, 639125, 869210, 1278250, 2173025, 4346050, 10865125, 21730250]

約数ペア:

[(1, 21730250), (2, 10865125), (5, 4346050), (10, 2173025), (17, 1278250), (25, 869210), (34, 639125), (50, 434605), (85, 255650), (125, 173842), (170, 127825), (250, 86921), (425, 51130), (850, 25565), (2125, 10226), (4250, 5113)]