21885708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{587}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 33433332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 587, 717, 956, 1174, 1434, 1761, 2348, 2868, 3107, 3522, 6214, 7044, 7631, 9321, 12428, 15262, 18642, 22893, 30524, 37284, 45786, 91572, 140293, 280586, 420879, 561172, 841758, 1683516, 1823809, 3647618, 5471427, 7295236, 10942854, 21885708]

約数ペア:

[(1, 21885708), (2, 10942854), (3, 7295236), (4, 5471427), (6, 3647618), (12, 1823809), (13, 1683516), (26, 841758), (39, 561172), (52, 420879), (78, 280586), (156, 140293), (239, 91572), (478, 45786), (587, 37284), (717, 30524), (956, 22893), (1174, 18642), (1434, 15262), (1761, 12428), (2348, 9321), (2868, 7631), (3107, 7044), (3522, 6214)]