21813000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 128

約数和(自身を含む): 74355840

約数和(自身を除く): 52542840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 660, 661, 750, 825, 1000, 1100, 1320, 1322, 1375, 1500, 1650, 1983, 2200, 2644, 2750, 3000, 3300, 3305, 3966, 4125, 5288, 5500, 6600, 6610, 7271, 7932, 8250, 9915, 11000, 13220, 14542, 15864, 16500, 16525, 19830, 21813, 26440, 29084, 33000, 33050, 36355, 39660, 43626, 49575, 58168, 66100, 72710, 79320, 82625, 87252, 99150, 109065, 132200, 145420, 165250, 174504, 181775, 198300, 218130, 247875, 290840, 330500, 363550, 396600, 436260, 495750, 545325, 661000, 727100, 872520, 908875, 991500, 1090650, 1454200, 1817750, 1983000, 2181300, 2726625, 3635500, 4362600, 5453250, 7271000, 10906500, 21813000]

約数ペア:

[(1, 21813000), (2, 10906500), (3, 7271000), (4, 5453250), (5, 4362600), (6, 3635500), (8, 2726625), (10, 2181300), (11, 1983000), (12, 1817750), (15, 1454200), (20, 1090650), (22, 991500), (24, 908875), (25, 872520), (30, 727100), (33, 661000), (40, 545325), (44, 495750), (50, 436260), (55, 396600), (60, 363550), (66, 330500), (75, 290840), (88, 247875), (100, 218130), (110, 198300), (120, 181775), (125, 174504), (132, 165250), (150, 145420), (165, 132200), (200, 109065), (220, 99150), (250, 87252), (264, 82625), (275, 79320), (300, 72710), (330, 66100), (375, 58168), (440, 49575), (500, 43626), (550, 39660), (600, 36355), (660, 33050), (661, 33000), (750, 29084), (825, 26440), (1000, 21813), (1100, 19830), (1320, 16525), (1322, 16500), (1375, 15864), (1500, 14542), (1650, 13220), (1983, 11000), (2200, 9915), (2644, 8250), (2750, 7932), (3000, 7271), (3300, 6610), (3305, 6600), (3966, 5500), (4125, 5288)]