21093786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2017}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 52887744

約数和(自身を除く): 31793958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 2017, 3486, 4034, 5229, 6051, 10458, 12102, 14119, 18153, 28238, 36306, 42357, 84714, 127071, 167411, 254142, 334822, 502233, 1004466, 1171877, 1506699, 2343754, 3013398, 3515631, 7031262, 10546893, 21093786]

約数ペア:

[(1, 21093786), (2, 10546893), (3, 7031262), (6, 3515631), (7, 3013398), (9, 2343754), (14, 1506699), (18, 1171877), (21, 1004466), (42, 502233), (63, 334822), (83, 254142), (126, 167411), (166, 127071), (249, 84714), (498, 42357), (581, 36306), (747, 28238), (1162, 18153), (1494, 14119), (1743, 12102), (2017, 10458), (3486, 6051), (4034, 5229)]