21914292

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 55702080

約数和(自身を除く): 33787788

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 71, 89, 102, 142, 178, 204, 213, 267, 284, 289, 356, 426, 534, 578, 852, 867, 1068, 1156, 1207, 1513, 1734, 2414, 3026, 3468, 3621, 4539, 4828, 6052, 6319, 7242, 9078, 12638, 14484, 18156, 18957, 20519, 25276, 25721, 37914, 41038, 51442, 61557, 75828, 77163, 82076, 102884, 107423, 123114, 154326, 214846, 246228, 308652, 322269, 429692, 644538, 1289076, 1826191, 3652382, 5478573, 7304764, 10957146, 21914292]

約数ペア:

[(1, 21914292), (2, 10957146), (3, 7304764), (4, 5478573), (6, 3652382), (12, 1826191), (17, 1289076), (34, 644538), (51, 429692), (68, 322269), (71, 308652), (89, 246228), (102, 214846), (142, 154326), (178, 123114), (204, 107423), (213, 102884), (267, 82076), (284, 77163), (289, 75828), (356, 61557), (426, 51442), (534, 41038), (578, 37914), (852, 25721), (867, 25276), (1068, 20519), (1156, 18957), (1207, 18156), (1513, 14484), (1734, 12638), (2414, 9078), (3026, 7242), (3468, 6319), (3621, 6052), (4539, 4828)]