21287688190

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1\times {\mathrm{16741}}^1$

素因数の和:18108

約数の個数: 32

約数和(自身を含む): 38730273120

約数和(自身を除く): 17442584930

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1259, 2518, 6295, 12590, 16741, 33482, 83705, 127159, 167410, 254318, 635795, 1271590, 1690841, 3381682, 8454205, 16908410, 21076919, 42153838, 105384595, 210769190, 2128768819, 4257537638, 10643844095, 21287688190]

約数ペア:

[(1, 21287688190), (2, 10643844095), (5, 4257537638), (10, 2128768819), (101, 210769190), (202, 105384595), (505, 42153838), (1010, 21076919), (1259, 16908410), (2518, 8454205), (6295, 3381682), (12590, 1690841), (16741, 1271590), (33482, 635795), (83705, 254318), (127159, 167410)]