21713940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 96

約数和(自身を含む): 68544000

約数和(自身を除く): 46830060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 509, 540, 711, 790, 948, 1018, 1185, 1422, 1527, 1580, 2036, 2133, 2370, 2545, 2844, 3054, 3555, 4266, 4581, 4740, 5090, 6108, 7110, 7635, 8532, 9162, 10180, 10665, 13743, 14220, 15270, 18324, 21330, 22905, 27486, 30540, 40211, 42660, 45810, 54972, 68715, 80422, 91620, 120633, 137430, 160844, 201055, 241266, 274860, 361899, 402110, 482532, 603165, 723798, 804220, 1085697, 1206330, 1447596, 1809495, 2171394, 2412660, 3618990, 4342788, 5428485, 7237980, 10856970, 21713940]

約数ペア:

[(1, 21713940), (2, 10856970), (3, 7237980), (4, 5428485), (5, 4342788), (6, 3618990), (9, 2412660), (10, 2171394), (12, 1809495), (15, 1447596), (18, 1206330), (20, 1085697), (27, 804220), (30, 723798), (36, 603165), (45, 482532), (54, 402110), (60, 361899), (79, 274860), (90, 241266), (108, 201055), (135, 160844), (158, 137430), (180, 120633), (237, 91620), (270, 80422), (316, 68715), (395, 54972), (474, 45810), (509, 42660), (540, 40211), (711, 30540), (790, 27486), (948, 22905), (1018, 21330), (1185, 18324), (1422, 15270), (1527, 14220), (1580, 13743), (2036, 10665), (2133, 10180), (2370, 9162), (2545, 8532), (2844, 7635), (3054, 7110), (3555, 6108), (4266, 5090), (4581, 4740)]