21105882

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 52595712

約数和(自身を除く): 31489830

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 191, 382, 573, 877, 1146, 1337, 1719, 1754, 2631, 2674, 3438, 4011, 5262, 6139, 7893, 8022, 12033, 12278, 15786, 18417, 24066, 36834, 55251, 110502, 167507, 335014, 502521, 1005042, 1172549, 1507563, 2345098, 3015126, 3517647, 7035294, 10552941, 21105882]

約数ペア:

[(1, 21105882), (2, 10552941), (3, 7035294), (6, 3517647), (7, 3015126), (9, 2345098), (14, 1507563), (18, 1172549), (21, 1005042), (42, 502521), (63, 335014), (126, 167507), (191, 110502), (382, 55251), (573, 36834), (877, 24066), (1146, 18417), (1337, 15786), (1719, 12278), (1754, 12033), (2631, 8022), (2674, 7893), (3438, 6139), (4011, 5262)]