21511332

素因数分解:

$2^2\times 3^7\times {\mathrm{2459}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 56481600

約数和(自身を除く): 34970268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2459, 2916, 4374, 4918, 7377, 8748, 9836, 14754, 22131, 29508, 44262, 66393, 88524, 132786, 199179, 265572, 398358, 597537, 796716, 1195074, 1792611, 2390148, 3585222, 5377833, 7170444, 10755666, 21511332]

約数ペア:

[(1, 21511332), (2, 10755666), (3, 7170444), (4, 5377833), (6, 3585222), (9, 2390148), (12, 1792611), (18, 1195074), (27, 796716), (36, 597537), (54, 398358), (81, 265572), (108, 199179), (162, 132786), (243, 88524), (324, 66393), (486, 44262), (729, 29508), (972, 22131), (1458, 14754), (2187, 9836), (2459, 8748), (2916, 7377), (4374, 4918)]