21870900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 108

約数和(自身を含む): 72217600

約数和(自身を除く): 50346700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1279, 1425, 1710, 1900, 2558, 2850, 3420, 3837, 4275, 5116, 5700, 6395, 7674, 8550, 11511, 12790, 15348, 17100, 19185, 23022, 24301, 25580, 31975, 38370, 46044, 48602, 57555, 63950, 72903, 76740, 95925, 97204, 115110, 121505, 127900, 145806, 191850, 218709, 230220, 243010, 287775, 291612, 364515, 383700, 437418, 486020, 575550, 607525, 729030, 874836, 1093545, 1151100, 1215050, 1458060, 1822575, 2187090, 2430100, 3645150, 4374180, 5467725, 7290300, 10935450, 21870900]

約数ペア:

[(1, 21870900), (2, 10935450), (3, 7290300), (4, 5467725), (5, 4374180), (6, 3645150), (9, 2430100), (10, 2187090), (12, 1822575), (15, 1458060), (18, 1215050), (19, 1151100), (20, 1093545), (25, 874836), (30, 729030), (36, 607525), (38, 575550), (45, 486020), (50, 437418), (57, 383700), (60, 364515), (75, 291612), (76, 287775), (90, 243010), (95, 230220), (100, 218709), (114, 191850), (150, 145806), (171, 127900), (180, 121505), (190, 115110), (225, 97204), (228, 95925), (285, 76740), (300, 72903), (342, 63950), (380, 57555), (450, 48602), (475, 46044), (570, 38370), (684, 31975), (855, 25580), (900, 24301), (950, 23022), (1140, 19185), (1279, 17100), (1425, 15348), (1710, 12790), (1900, 11511), (2558, 8550), (2850, 7674), (3420, 6395), (3837, 5700), (4275, 5116)]