21074988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 35695572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 47, 66, 79, 86, 94, 129, 132, 141, 158, 172, 188, 237, 258, 282, 316, 473, 474, 516, 517, 564, 869, 946, 948, 1034, 1419, 1551, 1738, 1892, 2021, 2068, 2607, 2838, 3102, 3397, 3476, 3713, 4042, 5214, 5676, 6063, 6204, 6794, 7426, 8084, 10191, 10428, 11139, 12126, 13588, 14852, 20382, 22231, 22278, 24252, 37367, 40764, 40843, 44462, 44556, 66693, 74734, 81686, 88924, 112101, 122529, 133386, 149468, 159659, 163372, 224202, 245058, 266772, 319318, 448404, 478977, 490116, 638636, 957954, 1756249, 1915908, 3512498, 5268747, 7024996, 10537494, 21074988]

約数ペア:

[(1, 21074988), (2, 10537494), (3, 7024996), (4, 5268747), (6, 3512498), (11, 1915908), (12, 1756249), (22, 957954), (33, 638636), (43, 490116), (44, 478977), (47, 448404), (66, 319318), (79, 266772), (86, 245058), (94, 224202), (129, 163372), (132, 159659), (141, 149468), (158, 133386), (172, 122529), (188, 112101), (237, 88924), (258, 81686), (282, 74734), (316, 66693), (473, 44556), (474, 44462), (516, 40843), (517, 40764), (564, 37367), (869, 24252), (946, 22278), (948, 22231), (1034, 20382), (1419, 14852), (1551, 13588), (1738, 12126), (1892, 11139), (2021, 10428), (2068, 10191), (2607, 8084), (2838, 7426), (3102, 6794), (3397, 6204), (3476, 6063), (3713, 5676), (4042, 5214)]