21601170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 56398680

約数和(自身を除く): 34797510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 617, 778, 1167, 1234, 1851, 1945, 2334, 3085, 3501, 3702, 3890, 5553, 5835, 6170, 7002, 9255, 11106, 11670, 17505, 18510, 27765, 35010, 55530, 240013, 480026, 720039, 1200065, 1440078, 2160117, 2400130, 3600195, 4320234, 7200390, 10800585, 21601170]

約数ペア:

[(1, 21601170), (2, 10800585), (3, 7200390), (5, 4320234), (6, 3600195), (9, 2400130), (10, 2160117), (15, 1440078), (18, 1200065), (30, 720039), (45, 480026), (90, 240013), (389, 55530), (617, 35010), (778, 27765), (1167, 18510), (1234, 17505), (1851, 11670), (1945, 11106), (2334, 9255), (3085, 7002), (3501, 6170), (3702, 5835), (3890, 5553)]