21332168276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{4357}}^1$

素因数の和:5276

約数の個数: 48

約数和(自身を含む): 40029973200

約数和(自身を除く): 18697804924

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 809, 1513, 1618, 3026, 3236, 4357, 6052, 8714, 13753, 17428, 27506, 55012, 72001, 74069, 144002, 148138, 288004, 296276, 387773, 775546, 1224017, 1551092, 2448034, 3524813, 4896068, 6592141, 7049626, 13184282, 14099252, 26368564, 59921821, 119843642, 239687284, 313708357, 627416714, 1254833428, 5333042069, 10666084138, 21332168276]

約数ペア:

[(1, 21332168276), (2, 10666084138), (4, 5333042069), (17, 1254833428), (34, 627416714), (68, 313708357), (89, 239687284), (178, 119843642), (356, 59921821), (809, 26368564), (1513, 14099252), (1618, 13184282), (3026, 7049626), (3236, 6592141), (4357, 4896068), (6052, 3524813), (8714, 2448034), (13753, 1551092), (17428, 1224017), (27506, 775546), (55012, 387773), (72001, 296276), (74069, 288004), (144002, 148138)]