21048144

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 38323056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 89, 104, 156, 178, 208, 267, 312, 356, 379, 534, 624, 712, 758, 1068, 1137, 1157, 1424, 1516, 2136, 2274, 2314, 3032, 3471, 4272, 4548, 4628, 4927, 6064, 6942, 9096, 9256, 9854, 13884, 14781, 18192, 18512, 19708, 27768, 29562, 33731, 39416, 55536, 59124, 67462, 78832, 101193, 118248, 134924, 202386, 236496, 269848, 404772, 438503, 539696, 809544, 877006, 1315509, 1619088, 1754012, 2631018, 3508024, 5262036, 7016048, 10524072, 21048144]

約数ペア:

[(1, 21048144), (2, 10524072), (3, 7016048), (4, 5262036), (6, 3508024), (8, 2631018), (12, 1754012), (13, 1619088), (16, 1315509), (24, 877006), (26, 809544), (39, 539696), (48, 438503), (52, 404772), (78, 269848), (89, 236496), (104, 202386), (156, 134924), (178, 118248), (208, 101193), (267, 78832), (312, 67462), (356, 59124), (379, 55536), (534, 39416), (624, 33731), (712, 29562), (758, 27768), (1068, 19708), (1137, 18512), (1157, 18192), (1424, 14781), (1516, 13884), (2136, 9854), (2274, 9256), (2314, 9096), (3032, 6942), (3471, 6064), (4272, 4927), (4548, 4628)]