21097100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1867}}^1$

素因数の和:1994

約数の個数: 36

約数和(自身を含む): 46210584

約数和(自身を除く): 25113484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1867, 2260, 2825, 3734, 5650, 7468, 9335, 11300, 18670, 37340, 46675, 93350, 186700, 210971, 421942, 843884, 1054855, 2109710, 4219420, 5274275, 10548550, 21097100]

約数ペア:

[(1, 21097100), (2, 10548550), (4, 5274275), (5, 4219420), (10, 2109710), (20, 1054855), (25, 843884), (50, 421942), (100, 210971), (113, 186700), (226, 93350), (452, 46675), (565, 37340), (1130, 18670), (1867, 11300), (2260, 9335), (2825, 7468), (3734, 5650)]