2155356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 6388480

約数和(自身を除く): 4233124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 2851, 5702, 8553, 11404, 17106, 19957, 25659, 34212, 39914, 51318, 59871, 76977, 79828, 102636, 119742, 153954, 179613, 239484, 307908, 359226, 538839, 718452, 1077678, 2155356]

約数ペア:

[(1, 2155356), (2, 1077678), (3, 718452), (4, 538839), (6, 359226), (7, 307908), (9, 239484), (12, 179613), (14, 153954), (18, 119742), (21, 102636), (27, 79828), (28, 76977), (36, 59871), (42, 51318), (54, 39914), (63, 34212), (84, 25659), (108, 19957), (126, 17106), (189, 11404), (252, 8553), (378, 5702), (756, 2851)]