21836458

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1546

約数の個数: 24

約数和(自身を含む): 38364192

約数和(自身を除く): 16527734

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1367, 2282, 2734, 7987, 9569, 15974, 19138, 66983, 133966, 222821, 445642, 1559747, 3119494, 10918229, 21836458]

約数ペア:

[(1, 21836458), (2, 10918229), (7, 3119494), (14, 1559747), (49, 445642), (98, 222821), (163, 133966), (326, 66983), (1141, 19138), (1367, 15974), (2282, 9569), (2734, 7987)]