21903120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1097

約数の個数: 120

約数和(自身を含む): 76167000

約数和(自身を除く): 54263880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1049, 1160, 1305, 1392, 1740, 2088, 2098, 2320, 2610, 3147, 3480, 4176, 4196, 5220, 5245, 6294, 6960, 8392, 9441, 10440, 10490, 12588, 15735, 16784, 18882, 20880, 20980, 25176, 30421, 31470, 37764, 41960, 47205, 50352, 60842, 62940, 75528, 83920, 91263, 94410, 121684, 125880, 151056, 152105, 182526, 188820, 243368, 251760, 273789, 304210, 365052, 377640, 456315, 486736, 547578, 608420, 730104, 755280, 912630, 1095156, 1216840, 1368945, 1460208, 1825260, 2190312, 2433680, 2737890, 3650520, 4380624, 5475780, 7301040, 10951560, 21903120]

約数ペア:

[(1, 21903120), (2, 10951560), (3, 7301040), (4, 5475780), (5, 4380624), (6, 3650520), (8, 2737890), (9, 2433680), (10, 2190312), (12, 1825260), (15, 1460208), (16, 1368945), (18, 1216840), (20, 1095156), (24, 912630), (29, 755280), (30, 730104), (36, 608420), (40, 547578), (45, 486736), (48, 456315), (58, 377640), (60, 365052), (72, 304210), (80, 273789), (87, 251760), (90, 243368), (116, 188820), (120, 182526), (144, 152105), (145, 151056), (174, 125880), (180, 121684), (232, 94410), (240, 91263), (261, 83920), (290, 75528), (348, 62940), (360, 60842), (435, 50352), (464, 47205), (522, 41960), (580, 37764), (696, 31470), (720, 30421), (870, 25176), (1044, 20980), (1049, 20880), (1160, 18882), (1305, 16784), (1392, 15735), (1740, 12588), (2088, 10490), (2098, 10440), (2320, 9441), (2610, 8392), (3147, 6960), (3480, 6294), (4176, 5245), (4196, 5220)]