21055356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27851}}^1$

素因数の和:27871

約数の個数: 48

約数和(自身を含む): 62388480

約数和(自身を除く): 41333124

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, 27851, 55702, 83553, 111404, 167106, 194957, 250659, 334212, 389914, 501318, 584871, 751977, 779828, 1002636, 1169742, 1503954, 1754613, 2339484, 3007908, 3509226, 5263839, 7018452, 10527678, 21055356]

約数ペア:

[(1, 21055356), (2, 10527678), (3, 7018452), (4, 5263839), (6, 3509226), (7, 3007908), (9, 2339484), (12, 1754613), (14, 1503954), (18, 1169742), (21, 1002636), (27, 779828), (28, 751977), (36, 584871), (42, 501318), (54, 389914), (63, 334212), (84, 250659), (108, 194957), (126, 167106), (189, 111404), (252, 83553), (378, 55702), (756, 27851)]