21836636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 42293664

約数和(自身を除く): 20457028

約数列:

[1, 2, 4, 17, 34, 53, 68, 73, 83, 106, 146, 166, 212, 292, 332, 901, 1241, 1411, 1802, 2482, 2822, 3604, 3869, 4399, 4964, 5644, 6059, 7738, 8798, 12118, 15476, 17596, 24236, 65773, 74783, 103003, 131546, 149566, 206006, 263092, 299132, 321127, 412012, 642254, 1284508, 5459159, 10918318, 21836636]

約数ペア:

[(1, 21836636), (2, 10918318), (4, 5459159), (17, 1284508), (34, 642254), (53, 412012), (68, 321127), (73, 299132), (83, 263092), (106, 206006), (146, 149566), (166, 131546), (212, 103003), (292, 74783), (332, 65773), (901, 24236), (1241, 17596), (1411, 15476), (1802, 12118), (2482, 8798), (2822, 7738), (3604, 6059), (3869, 5644), (4399, 4964)]