21860800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1086

約数の個数: 84

約数和(自身を含む): 57984136

約数和(自身を除く): 36123336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1051, 1300, 1600, 2080, 2102, 2600, 4160, 4204, 5200, 5255, 8408, 10400, 10510, 13663, 16816, 20800, 21020, 26275, 27326, 33632, 42040, 52550, 54652, 67264, 68315, 84080, 105100, 109304, 136630, 168160, 210200, 218608, 273260, 336320, 341575, 420400, 437216, 546520, 683150, 840800, 874432, 1093040, 1366300, 1681600, 2186080, 2732600, 4372160, 5465200, 10930400, 21860800]

約数ペア:

[(1, 21860800), (2, 10930400), (4, 5465200), (5, 4372160), (8, 2732600), (10, 2186080), (13, 1681600), (16, 1366300), (20, 1093040), (25, 874432), (26, 840800), (32, 683150), (40, 546520), (50, 437216), (52, 420400), (64, 341575), (65, 336320), (80, 273260), (100, 218608), (104, 210200), (130, 168160), (160, 136630), (200, 109304), (208, 105100), (260, 84080), (320, 68315), (325, 67264), (400, 54652), (416, 52550), (520, 42040), (650, 33632), (800, 27326), (832, 26275), (1040, 21020), (1051, 20800), (1300, 16816), (1600, 13663), (2080, 10510), (2102, 10400), (2600, 8408), (4160, 5255), (4204, 5200)]