2156868

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{317}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 6482112

約数和(自身を除く): 4325244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 317, 324, 378, 486, 567, 634, 756, 951, 972, 1134, 1268, 1701, 1902, 2219, 2268, 2853, 3402, 3804, 4438, 5706, 6657, 6804, 8559, 8876, 11412, 13314, 17118, 19971, 25677, 26628, 34236, 39942, 51354, 59913, 77031, 79884, 102708, 119826, 154062, 179739, 239652, 308124, 359478, 539217, 718956, 1078434, 2156868]

約数ペア:

[(1, 2156868), (2, 1078434), (3, 718956), (4, 539217), (6, 359478), (7, 308124), (9, 239652), (12, 179739), (14, 154062), (18, 119826), (21, 102708), (27, 79884), (28, 77031), (36, 59913), (42, 51354), (54, 39942), (63, 34236), (81, 26628), (84, 25677), (108, 19971), (126, 17118), (162, 13314), (189, 11412), (243, 8876), (252, 8559), (317, 6804), (324, 6657), (378, 5706), (486, 4438), (567, 3804), (634, 3402), (756, 2853), (951, 2268), (972, 2219), (1134, 1902), (1268, 1701)]