21177000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 77510160

約数和(自身を除く): 56333160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 125, 130, 150, 156, 180, 181, 195, 200, 225, 234, 250, 260, 300, 312, 325, 360, 362, 375, 390, 450, 468, 500, 520, 543, 585, 600, 650, 724, 750, 780, 900, 905, 936, 975, 1000, 1086, 1125, 1170, 1300, 1448, 1500, 1560, 1625, 1629, 1800, 1810, 1950, 2172, 2250, 2340, 2353, 2600, 2715, 2925, 3000, 3250, 3258, 3620, 3900, 4344, 4500, 4525, 4680, 4706, 4875, 5430, 5850, 6500, 6516, 7059, 7240, 7800, 8145, 9000, 9050, 9412, 9750, 10860, 11700, 11765, 13000, 13032, 13575, 14118, 14625, 16290, 18100, 18824, 19500, 21177, 21720, 22625, 23400, 23530, 27150, 28236, 29250, 32580, 35295, 36200, 39000, 40725, 42354, 45250, 47060, 54300, 56472, 58500, 58825, 65160, 67875, 70590, 81450, 84708, 90500, 94120, 105885, 108600, 117000, 117650, 135750, 141180, 162900, 169416, 176475, 181000, 203625, 211770, 235300, 271500, 282360, 294125, 325800, 352950, 407250, 423540, 470600, 529425, 543000, 588250, 705900, 814500, 847080, 882375, 1058850, 1176500, 1411800, 1629000, 1764750, 2117700, 2353000, 2647125, 3529500, 4235400, 5294250, 7059000, 10588500, 21177000]

約数ペア:

[(1, 21177000), (2, 10588500), (3, 7059000), (4, 5294250), (5, 4235400), (6, 3529500), (8, 2647125), (9, 2353000), (10, 2117700), (12, 1764750), (13, 1629000), (15, 1411800), (18, 1176500), (20, 1058850), (24, 882375), (25, 847080), (26, 814500), (30, 705900), (36, 588250), (39, 543000), (40, 529425), (45, 470600), (50, 423540), (52, 407250), (60, 352950), (65, 325800), (72, 294125), (75, 282360), (78, 271500), (90, 235300), (100, 211770), (104, 203625), (117, 181000), (120, 176475), (125, 169416), (130, 162900), (150, 141180), (156, 135750), (180, 117650), (181, 117000), (195, 108600), (200, 105885), (225, 94120), (234, 90500), (250, 84708), (260, 81450), (300, 70590), (312, 67875), (325, 65160), (360, 58825), (362, 58500), (375, 56472), (390, 54300), (450, 47060), (468, 45250), (500, 42354), (520, 40725), (543, 39000), (585, 36200), (600, 35295), (650, 32580), (724, 29250), (750, 28236), (780, 27150), (900, 23530), (905, 23400), (936, 22625), (975, 21720), (1000, 21177), (1086, 19500), (1125, 18824), (1170, 18100), (1300, 16290), (1448, 14625), (1500, 14118), (1560, 13575), (1625, 13032), (1629, 13000), (1800, 11765), (1810, 11700), (1950, 10860), (2172, 9750), (2250, 9412), (2340, 9050), (2353, 9000), (2600, 8145), (2715, 7800), (2925, 7240), (3000, 7059), (3250, 6516), (3258, 6500), (3620, 5850), (3900, 5430), (4344, 4875), (4500, 4706), (4525, 4680)]