21841770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 56142720

約数和(自身を除く): 34300950

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 113, 170, 226, 255, 339, 379, 510, 565, 678, 758, 1130, 1137, 1695, 1895, 1921, 2274, 3390, 3790, 3842, 5685, 5763, 6443, 9605, 11370, 11526, 12886, 19210, 19329, 28815, 32215, 38658, 42827, 57630, 64430, 85654, 96645, 128481, 193290, 214135, 256962, 428270, 642405, 728059, 1284810, 1456118, 2184177, 3640295, 4368354, 7280590, 10920885, 21841770]

約数ペア:

[(1, 21841770), (2, 10920885), (3, 7280590), (5, 4368354), (6, 3640295), (10, 2184177), (15, 1456118), (17, 1284810), (30, 728059), (34, 642405), (51, 428270), (85, 256962), (102, 214135), (113, 193290), (170, 128481), (226, 96645), (255, 85654), (339, 64430), (379, 57630), (510, 42827), (565, 38658), (678, 32215), (758, 28815), (1130, 19329), (1137, 19210), (1695, 12886), (1895, 11526), (1921, 11370), (2274, 9605), (3390, 6443), (3790, 5763), (3842, 5685)]