21880380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7759}}^1$

素因数の和:7818

約数の個数: 48

約数和(自身を含む): 62576640

約数和(自身を除く): 40696260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7759, 15518, 23277, 31036, 38795, 46554, 77590, 93108, 116385, 155180, 232770, 364673, 465540, 729346, 1094019, 1458692, 1823365, 2188038, 3646730, 4376076, 5470095, 7293460, 10940190, 21880380]

約数ペア:

[(1, 21880380), (2, 10940190), (3, 7293460), (4, 5470095), (5, 4376076), (6, 3646730), (10, 2188038), (12, 1823365), (15, 1458692), (20, 1094019), (30, 729346), (47, 465540), (60, 364673), (94, 232770), (141, 155180), (188, 116385), (235, 93108), (282, 77590), (470, 46554), (564, 38795), (705, 31036), (940, 23277), (1410, 15518), (2820, 7759)]