21872106

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 52141320

約数和(自身を除く): 30269214

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 41, 54, 74, 81, 82, 89, 111, 123, 162, 178, 222, 246, 267, 333, 369, 534, 666, 738, 801, 999, 1107, 1517, 1602, 1998, 2214, 2403, 2997, 3034, 3293, 3321, 3649, 4551, 4806, 5994, 6586, 6642, 7209, 7298, 9102, 9879, 10947, 13653, 14418, 19758, 21894, 27306, 29637, 32841, 40959, 59274, 65682, 81918, 88911, 98523, 122877, 135013, 177822, 197046, 245754, 266733, 270026, 295569, 405039, 533466, 591138, 810078, 1215117, 2430234, 3645351, 7290702, 10936053, 21872106]

約数ペア:

[(1, 21872106), (2, 10936053), (3, 7290702), (6, 3645351), (9, 2430234), (18, 1215117), (27, 810078), (37, 591138), (41, 533466), (54, 405039), (74, 295569), (81, 270026), (82, 266733), (89, 245754), (111, 197046), (123, 177822), (162, 135013), (178, 122877), (222, 98523), (246, 88911), (267, 81918), (333, 65682), (369, 59274), (534, 40959), (666, 32841), (738, 29637), (801, 27306), (999, 21894), (1107, 19758), (1517, 14418), (1602, 13653), (1998, 10947), (2214, 9879), (2403, 9102), (2997, 7298), (3034, 7209), (3293, 6642), (3321, 6586), (3649, 5994), (4551, 4806)]