21331680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2376

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 49429920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2339, 3040, 4560, 4678, 7017, 9120, 9356, 11695, 14034, 18712, 23390, 28068, 35085, 37424, 44441, 46780, 56136, 70170, 74848, 88882, 93560, 112272, 133323, 140340, 177764, 187120, 222205, 224544, 266646, 280680, 355528, 374240, 444410, 533292, 561360, 666615, 711056, 888820, 1066584, 1122720, 1333230, 1422112, 1777640, 2133168, 2666460, 3555280, 4266336, 5332920, 7110560, 10665840, 21331680]

約数ペア:

[(1, 21331680), (2, 10665840), (3, 7110560), (4, 5332920), (5, 4266336), (6, 3555280), (8, 2666460), (10, 2133168), (12, 1777640), (15, 1422112), (16, 1333230), (19, 1122720), (20, 1066584), (24, 888820), (30, 711056), (32, 666615), (38, 561360), (40, 533292), (48, 444410), (57, 374240), (60, 355528), (76, 280680), (80, 266646), (95, 224544), (96, 222205), (114, 187120), (120, 177764), (152, 140340), (160, 133323), (190, 112272), (228, 93560), (240, 88882), (285, 74848), (304, 70170), (380, 56136), (456, 46780), (480, 44441), (570, 37424), (608, 35085), (760, 28068), (912, 23390), (1140, 18712), (1520, 14034), (1824, 11695), (2280, 9356), (2339, 9120), (3040, 7017), (4560, 4678)]