21053196

素因数分解:

$2^2\times 3^4\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 55495440

約数和(自身を除く): 34442244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 181, 324, 359, 362, 543, 718, 724, 1077, 1086, 1436, 1629, 2154, 2172, 3231, 3258, 4308, 4887, 6462, 6516, 9693, 9774, 12924, 14661, 19386, 19548, 29079, 29322, 38772, 58158, 58644, 64979, 116316, 129958, 194937, 259916, 389874, 584811, 779748, 1169622, 1754433, 2339244, 3508866, 5263299, 7017732, 10526598, 21053196]

約数ペア:

[(1, 21053196), (2, 10526598), (3, 7017732), (4, 5263299), (6, 3508866), (9, 2339244), (12, 1754433), (18, 1169622), (27, 779748), (36, 584811), (54, 389874), (81, 259916), (108, 194937), (162, 129958), (181, 116316), (324, 64979), (359, 58644), (362, 58158), (543, 38772), (718, 29322), (724, 29079), (1077, 19548), (1086, 19386), (1436, 14661), (1629, 12924), (2154, 9774), (2172, 9693), (3231, 6516), (3258, 6462), (4308, 4887)]