21211254

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12671}}^1$

素因数の和:12713

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 27449226

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12671, 25342, 38013, 76026, 114039, 228078, 342117, 392801, 684234, 785602, 1178403, 2356806, 3535209, 7070418, 10605627, 21211254]

約数ペア:

[(1, 21211254), (2, 10605627), (3, 7070418), (6, 3535209), (9, 2356806), (18, 1178403), (27, 785602), (31, 684234), (54, 392801), (62, 342117), (93, 228078), (186, 114039), (279, 76026), (558, 38013), (837, 25342), (1674, 12671)]