21908640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3542

約数の個数: 96

約数和(自身を含む): 74342016

約数和(自身を除く): 52433376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3511, 6240, 7022, 10533, 14044, 17555, 21066, 28088, 35110, 42132, 45643, 52665, 56176, 70220, 84264, 91286, 105330, 112352, 136929, 140440, 168528, 182572, 210660, 228215, 273858, 280880, 337056, 365144, 421320, 456430, 547716, 561760, 684645, 730288, 842640, 912860, 1095432, 1369290, 1460576, 1685280, 1825720, 2190864, 2738580, 3651440, 4381728, 5477160, 7302880, 10954320, 21908640]

約数ペア:

[(1, 21908640), (2, 10954320), (3, 7302880), (4, 5477160), (5, 4381728), (6, 3651440), (8, 2738580), (10, 2190864), (12, 1825720), (13, 1685280), (15, 1460576), (16, 1369290), (20, 1095432), (24, 912860), (26, 842640), (30, 730288), (32, 684645), (39, 561760), (40, 547716), (48, 456430), (52, 421320), (60, 365144), (65, 337056), (78, 280880), (80, 273858), (96, 228215), (104, 210660), (120, 182572), (130, 168528), (156, 140440), (160, 136929), (195, 112352), (208, 105330), (240, 91286), (260, 84264), (312, 70220), (390, 56176), (416, 52665), (480, 45643), (520, 42132), (624, 35110), (780, 28088), (1040, 21066), (1248, 17555), (1560, 14044), (2080, 10533), (3120, 7022), (3511, 6240)]