21605482125

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{1091}}^1$

素因数の和:1748

約数の個数: 96

約数和(自身を含む): 40393866240

約数和(自身を除く): 18788384115

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 607, 725, 1091, 1125, 1305, 1821, 2175, 3035, 3273, 3625, 5455, 5463, 6525, 9105, 9819, 10875, 15175, 16365, 17603, 27275, 27315, 31639, 32625, 45525, 49095, 52809, 75875, 81825, 88015, 94917, 136375, 136575, 158195, 158427, 227625, 245475, 264045, 284751, 409125, 440075, 474585, 662237, 682875, 790975, 792135, 1227375, 1320225, 1423755, 1986711, 2200375, 2372925, 3311185, 3954875, 3960675, 5960133, 6601125, 7118775, 9933555, 11864625, 16555925, 19204873, 19803375, 29800665, 35593875, 49667775, 57614619, 82779625, 96024365, 149003325, 172843857, 248338875, 288073095, 480121825, 745016625, 864219285, 1440365475, 2400609125, 4321096425, 7201827375, 21605482125]

約数ペア:

[(1, 21605482125), (3, 7201827375), (5, 4321096425), (9, 2400609125), (15, 1440365475), (25, 864219285), (29, 745016625), (45, 480121825), (75, 288073095), (87, 248338875), (125, 172843857), (145, 149003325), (225, 96024365), (261, 82779625), (375, 57614619), (435, 49667775), (607, 35593875), (725, 29800665), (1091, 19803375), (1125, 19204873), (1305, 16555925), (1821, 11864625), (2175, 9933555), (3035, 7118775), (3273, 6601125), (3625, 5960133), (5455, 3960675), (5463, 3954875), (6525, 3311185), (9105, 2372925), (9819, 2200375), (10875, 1986711), (15175, 1423755), (16365, 1320225), (17603, 1227375), (27275, 792135), (27315, 790975), (31639, 682875), (32625, 662237), (45525, 474585), (49095, 440075), (52809, 409125), (75875, 284751), (81825, 264045), (88015, 245475), (94917, 227625), (136375, 158427), (136575, 158195)]