21551130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4236

約数の個数: 64

約数和(自身を含む): 60508800

約数和(自身を除く): 38957670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4201, 5130, 8402, 12603, 21005, 25206, 37809, 42010, 63015, 75618, 79819, 113427, 126030, 159638, 189045, 226854, 239457, 378090, 399095, 478914, 567135, 718371, 798190, 1134270, 1197285, 1436742, 2155113, 2394570, 3591855, 4310226, 7183710, 10775565, 21551130]

約数ペア:

[(1, 21551130), (2, 10775565), (3, 7183710), (5, 4310226), (6, 3591855), (9, 2394570), (10, 2155113), (15, 1436742), (18, 1197285), (19, 1134270), (27, 798190), (30, 718371), (38, 567135), (45, 478914), (54, 399095), (57, 378090), (90, 239457), (95, 226854), (114, 189045), (135, 159638), (171, 126030), (190, 113427), (270, 79819), (285, 75618), (342, 63015), (513, 42010), (570, 37809), (855, 25206), (1026, 21005), (1710, 12603), (2565, 8402), (4201, 5130)]