21351600

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 150

約数和(自身を含む): 76745460

約数和(自身を除く): 55393860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 648, 659, 675, 720, 810, 900, 1080, 1200, 1296, 1318, 1350, 1620, 1800, 1977, 2025, 2160, 2636, 2700, 3240, 3295, 3600, 3954, 4050, 5272, 5400, 5931, 6480, 6590, 7908, 8100, 9885, 10544, 10800, 11862, 13180, 15816, 16200, 16475, 17793, 19770, 23724, 26360, 29655, 31632, 32400, 32950, 35586, 39540, 47448, 49425, 52720, 53379, 59310, 65900, 71172, 79080, 88965, 94896, 98850, 106758, 118620, 131800, 142344, 148275, 158160, 177930, 197700, 213516, 237240, 263600, 266895, 284688, 296550, 355860, 395400, 427032, 444825, 474480, 533790, 593100, 711720, 790800, 854064, 889650, 1067580, 1186200, 1334475, 1423440, 1779300, 2135160, 2372400, 2668950, 3558600, 4270320, 5337900, 7117200, 10675800, 21351600]

約数ペア:

[(1, 21351600), (2, 10675800), (3, 7117200), (4, 5337900), (5, 4270320), (6, 3558600), (8, 2668950), (9, 2372400), (10, 2135160), (12, 1779300), (15, 1423440), (16, 1334475), (18, 1186200), (20, 1067580), (24, 889650), (25, 854064), (27, 790800), (30, 711720), (36, 593100), (40, 533790), (45, 474480), (48, 444825), (50, 427032), (54, 395400), (60, 355860), (72, 296550), (75, 284688), (80, 266895), (81, 263600), (90, 237240), (100, 213516), (108, 197700), (120, 177930), (135, 158160), (144, 148275), (150, 142344), (162, 131800), (180, 118620), (200, 106758), (216, 98850), (225, 94896), (240, 88965), (270, 79080), (300, 71172), (324, 65900), (360, 59310), (400, 53379), (405, 52720), (432, 49425), (450, 47448), (540, 39540), (600, 35586), (648, 32950), (659, 32400), (675, 31632), (720, 29655), (810, 26360), (900, 23724), (1080, 19770), (1200, 17793), (1296, 16475), (1318, 16200), (1350, 15816), (1620, 13180), (1800, 11862), (1977, 10800), (2025, 10544), (2160, 9885), (2636, 8100), (2700, 7908), (3240, 6590), (3295, 6480), (3600, 5931), (3954, 5400), (4050, 5272)]