21446748

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{569}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 55860000

約数和(自身を除く): 34413252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 569, 698, 1047, 1138, 1396, 1707, 2094, 2276, 3141, 3414, 4188, 5121, 6282, 6828, 9423, 10242, 12564, 15363, 18846, 20484, 30726, 37692, 61452, 198581, 397162, 595743, 794324, 1191486, 1787229, 2382972, 3574458, 5361687, 7148916, 10723374, 21446748]

約数ペア:

[(1, 21446748), (2, 10723374), (3, 7148916), (4, 5361687), (6, 3574458), (9, 2382972), (12, 1787229), (18, 1191486), (27, 794324), (36, 595743), (54, 397162), (108, 198581), (349, 61452), (569, 37692), (698, 30726), (1047, 20484), (1138, 18846), (1396, 15363), (1707, 12564), (2094, 10242), (2276, 9423), (3141, 6828), (3414, 6282), (4188, 5121)]