21444378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 24974022

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 149, 166, 249, 289, 298, 447, 498, 578, 867, 894, 1411, 1734, 2533, 2822, 4233, 5066, 7599, 8466, 12367, 15198, 23987, 24734, 37101, 43061, 47974, 71961, 74202, 86122, 129183, 143922, 210239, 258366, 420478, 630717, 1261434, 3574063, 7148126, 10722189, 21444378]

約数ペア:

[(1, 21444378), (2, 10722189), (3, 7148126), (6, 3574063), (17, 1261434), (34, 630717), (51, 420478), (83, 258366), (102, 210239), (149, 143922), (166, 129183), (249, 86122), (289, 74202), (298, 71961), (447, 47974), (498, 43061), (578, 37101), (867, 24734), (894, 23987), (1411, 15198), (1734, 12367), (2533, 8466), (2822, 7599), (4233, 5066)]