21651480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:593

約数の個数: 96

約数和(自身を含む): 71042400

約数和(自身を除く): 49390920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 137, 180, 274, 360, 411, 439, 548, 685, 822, 878, 1096, 1233, 1317, 1370, 1644, 1756, 2055, 2195, 2466, 2634, 2740, 3288, 3512, 3951, 4110, 4390, 4932, 5268, 5480, 6165, 6585, 7902, 8220, 8780, 9864, 10536, 12330, 13170, 15804, 16440, 17560, 19755, 24660, 26340, 31608, 39510, 49320, 52680, 60143, 79020, 120286, 158040, 180429, 240572, 300715, 360858, 481144, 541287, 601430, 721716, 902145, 1082574, 1202860, 1443432, 1804290, 2165148, 2405720, 2706435, 3608580, 4330296, 5412870, 7217160, 10825740, 21651480]

約数ペア:

[(1, 21651480), (2, 10825740), (3, 7217160), (4, 5412870), (5, 4330296), (6, 3608580), (8, 2706435), (9, 2405720), (10, 2165148), (12, 1804290), (15, 1443432), (18, 1202860), (20, 1082574), (24, 902145), (30, 721716), (36, 601430), (40, 541287), (45, 481144), (60, 360858), (72, 300715), (90, 240572), (120, 180429), (137, 158040), (180, 120286), (274, 79020), (360, 60143), (411, 52680), (439, 49320), (548, 39510), (685, 31608), (822, 26340), (878, 24660), (1096, 19755), (1233, 17560), (1317, 16440), (1370, 15804), (1644, 13170), (1756, 12330), (2055, 10536), (2195, 9864), (2466, 8780), (2634, 8220), (2740, 7902), (3288, 6585), (3512, 6165), (3951, 5480), (4110, 5268), (4390, 4932)]