21144870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2281}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 55534752

約数和(自身を除く): 34389882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2281, 3090, 4562, 4635, 6843, 9270, 11405, 13686, 20529, 22810, 34215, 41058, 68430, 102645, 205290, 234943, 469886, 704829, 1174715, 1409658, 2114487, 2349430, 3524145, 4228974, 7048290, 10572435, 21144870]

約数ペア:

[(1, 21144870), (2, 10572435), (3, 7048290), (5, 4228974), (6, 3524145), (9, 2349430), (10, 2114487), (15, 1409658), (18, 1174715), (30, 704829), (45, 469886), (90, 234943), (103, 205290), (206, 102645), (309, 68430), (515, 41058), (618, 34215), (927, 22810), (1030, 20529), (1545, 13686), (1854, 11405), (2281, 9270), (3090, 6843), (4562, 4635)]