21588720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3911}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 69852672

約数和(自身を除く): 48263952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3911, 5520, 7822, 11733, 15644, 19555, 23466, 31288, 39110, 46932, 58665, 62576, 78220, 89953, 93864, 117330, 156440, 179906, 187728, 234660, 269859, 312880, 359812, 449765, 469320, 539718, 719624, 899530, 938640, 1079436, 1349295, 1439248, 1799060, 2158872, 2698590, 3598120, 4317744, 5397180, 7196240, 10794360, 21588720]

約数ペア:

[(1, 21588720), (2, 10794360), (3, 7196240), (4, 5397180), (5, 4317744), (6, 3598120), (8, 2698590), (10, 2158872), (12, 1799060), (15, 1439248), (16, 1349295), (20, 1079436), (23, 938640), (24, 899530), (30, 719624), (40, 539718), (46, 469320), (48, 449765), (60, 359812), (69, 312880), (80, 269859), (92, 234660), (115, 187728), (120, 179906), (138, 156440), (184, 117330), (230, 93864), (240, 89953), (276, 78220), (345, 62576), (368, 58665), (460, 46932), (552, 39110), (690, 31288), (920, 23466), (1104, 19555), (1380, 15644), (1840, 11733), (2760, 7822), (3911, 5520)]