21801140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1733}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 49814352

約数和(自身を除く): 28013212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1733, 2516, 3145, 3466, 6290, 6932, 8665, 12580, 17330, 29461, 34660, 58922, 64121, 117844, 128242, 147305, 256484, 294610, 320605, 589220, 641210, 1090057, 1282420, 2180114, 4360228, 5450285, 10900570, 21801140]

約数ペア:

[(1, 21801140), (2, 10900570), (4, 5450285), (5, 4360228), (10, 2180114), (17, 1282420), (20, 1090057), (34, 641210), (37, 589220), (68, 320605), (74, 294610), (85, 256484), (148, 147305), (170, 128242), (185, 117844), (340, 64121), (370, 58922), (629, 34660), (740, 29461), (1258, 17330), (1733, 12580), (2516, 8665), (3145, 6932), (3466, 6290)]