21393609120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1142821}}^1$

素因数の和:1142855

約数の個数: 144

約数和(自身を含む): 78621582312

約数和(自身を除く): 57227973192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 1142821, 2285642, 3428463, 4571284, 5714105, 6856926, 9142568, 10285389, 11428210, 13713852, 14856673, 17142315, 18285136, 20570778, 22856420, 27427704, 29713346, 34284630, 36570272, 41141556, 44570019, 45712840, 51426945, 54855408, 59426692, 68569260, 74283365, 82283112, 89140038, 91425680, 102853890, 109710816, 118853384, 133710057, 137138520, 148566730, 164566224, 178280076, 182851360, 205707780, 222850095, 237706768, 267420114, 274277040, 297133460, 329132448, 356560152, 411415560, 445700190, 475413536, 534840228, 548554080, 594266920, 668550285, 713120304, 822831120, 891400380, 1069680456, 1188533840, 1337100570, 1426240608, 1645662240, 1782800760, 2139360912, 2377067680, 2674201140, 3565601520, 4278721824, 5348402280, 7131203040, 10696804560, 21393609120]

約数ペア:

[(1, 21393609120), (2, 10696804560), (3, 7131203040), (4, 5348402280), (5, 4278721824), (6, 3565601520), (8, 2674201140), (9, 2377067680), (10, 2139360912), (12, 1782800760), (13, 1645662240), (15, 1426240608), (16, 1337100570), (18, 1188533840), (20, 1069680456), (24, 891400380), (26, 822831120), (30, 713120304), (32, 668550285), (36, 594266920), (39, 548554080), (40, 534840228), (45, 475413536), (48, 445700190), (52, 411415560), (60, 356560152), (65, 329132448), (72, 297133460), (78, 274277040), (80, 267420114), (90, 237706768), (96, 222850095), (104, 205707780), (117, 182851360), (120, 178280076), (130, 164566224), (144, 148566730), (156, 137138520), (160, 133710057), (180, 118853384), (195, 109710816), (208, 102853890), (234, 91425680), (240, 89140038), (260, 82283112), (288, 74283365), (312, 68569260), (360, 59426692), (390, 54855408), (416, 51426945), (468, 45712840), (480, 44570019), (520, 41141556), (585, 36570272), (624, 34284630), (720, 29713346), (780, 27427704), (936, 22856420), (1040, 20570778), (1170, 18285136), (1248, 17142315), (1440, 14856673), (1560, 13713852), (1872, 11428210), (2080, 10285389), (2340, 9142568), (3120, 6856926), (3744, 5714105), (4680, 4571284), (6240, 3428463), (9360, 2285642), (18720, 1142821)]