21786084

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3574

約数の個数: 60

約数和(自身を含む): 59967600

約数和(自身を除く): 38181516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3539, 6156, 7078, 10617, 14156, 21234, 31851, 42468, 63702, 67241, 95553, 127404, 134482, 191106, 201723, 268964, 286659, 382212, 403446, 573318, 605169, 806892, 1146636, 1210338, 1815507, 2420676, 3631014, 5446521, 7262028, 10893042, 21786084]

約数ペア:

[(1, 21786084), (2, 10893042), (3, 7262028), (4, 5446521), (6, 3631014), (9, 2420676), (12, 1815507), (18, 1210338), (19, 1146636), (27, 806892), (36, 605169), (38, 573318), (54, 403446), (57, 382212), (76, 286659), (81, 268964), (108, 201723), (114, 191106), (162, 134482), (171, 127404), (228, 95553), (324, 67241), (342, 63702), (513, 42468), (684, 31851), (1026, 21234), (1539, 14156), (2052, 10617), (3078, 7078), (3539, 6156)]