21258000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{1181}}^1$

素因数の和:1210

約数の個数: 120

約数和(自身を含む): 74309976

約数和(自身を除く): 53051976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1125, 1181, 1200, 1500, 1800, 2000, 2250, 2362, 3000, 3543, 3600, 4500, 4724, 5905, 6000, 7086, 9000, 9448, 10629, 11810, 14172, 17715, 18000, 18896, 21258, 23620, 28344, 29525, 35430, 42516, 47240, 53145, 56688, 59050, 70860, 85032, 88575, 94480, 106290, 118100, 141720, 147625, 170064, 177150, 212580, 236200, 265725, 283440, 295250, 354300, 425160, 442875, 472400, 531450, 590500, 708600, 850320, 885750, 1062900, 1181000, 1328625, 1417200, 1771500, 2125800, 2362000, 2657250, 3543000, 4251600, 5314500, 7086000, 10629000, 21258000]

約数ペア:

[(1, 21258000), (2, 10629000), (3, 7086000), (4, 5314500), (5, 4251600), (6, 3543000), (8, 2657250), (9, 2362000), (10, 2125800), (12, 1771500), (15, 1417200), (16, 1328625), (18, 1181000), (20, 1062900), (24, 885750), (25, 850320), (30, 708600), (36, 590500), (40, 531450), (45, 472400), (48, 442875), (50, 425160), (60, 354300), (72, 295250), (75, 283440), (80, 265725), (90, 236200), (100, 212580), (120, 177150), (125, 170064), (144, 147625), (150, 141720), (180, 118100), (200, 106290), (225, 94480), (240, 88575), (250, 85032), (300, 70860), (360, 59050), (375, 56688), (400, 53145), (450, 47240), (500, 42516), (600, 35430), (720, 29525), (750, 28344), (900, 23620), (1000, 21258), (1125, 18896), (1181, 18000), (1200, 17715), (1500, 14172), (1800, 11810), (2000, 10629), (2250, 9448), (2362, 9000), (3000, 7086), (3543, 6000), (3600, 5905), (4500, 4724)]