21490186356

素因数分解:

$2^2\times 3^3\times {\mathrm{1409}}^1\times {\mathrm{141223}}^1$

素因数の和:142645

約数の個数: 48

約数和(自身を含む): 55755235200

約数和(自身を除く): 34265048844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1409, 2818, 4227, 5636, 8454, 12681, 16908, 25362, 38043, 50724, 76086, 141223, 152172, 282446, 423669, 564892, 847338, 1271007, 1694676, 2542014, 3813021, 5084028, 7626042, 15252084, 198983207, 397966414, 596949621, 795932828, 1193899242, 1790848863, 2387798484, 3581697726, 5372546589, 7163395452, 10745093178, 21490186356]

約数ペア:

[(1, 21490186356), (2, 10745093178), (3, 7163395452), (4, 5372546589), (6, 3581697726), (9, 2387798484), (12, 1790848863), (18, 1193899242), (27, 795932828), (36, 596949621), (54, 397966414), (108, 198983207), (1409, 15252084), (2818, 7626042), (4227, 5084028), (5636, 3813021), (8454, 2542014), (12681, 1694676), (16908, 1271007), (25362, 847338), (38043, 564892), (50724, 423669), (76086, 282446), (141223, 152172)]