21210768

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1381

約数の個数: 80

約数和(自身を含む): 62575360

約数和(自身を除く): 41364592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1327, 1332, 1776, 1998, 2654, 2664, 3981, 3996, 5308, 5328, 7962, 7992, 10616, 11943, 15924, 15984, 21232, 23886, 31848, 35829, 47772, 49099, 63696, 71658, 95544, 98198, 143316, 147297, 191088, 196396, 286632, 294594, 392792, 441891, 573264, 589188, 785584, 883782, 1178376, 1325673, 1767564, 2356752, 2651346, 3535128, 5302692, 7070256, 10605384, 21210768]

約数ペア:

[(1, 21210768), (2, 10605384), (3, 7070256), (4, 5302692), (6, 3535128), (8, 2651346), (9, 2356752), (12, 1767564), (16, 1325673), (18, 1178376), (24, 883782), (27, 785584), (36, 589188), (37, 573264), (48, 441891), (54, 392792), (72, 294594), (74, 286632), (108, 196396), (111, 191088), (144, 147297), (148, 143316), (216, 98198), (222, 95544), (296, 71658), (333, 63696), (432, 49099), (444, 47772), (592, 35829), (666, 31848), (888, 23886), (999, 21232), (1327, 15984), (1332, 15924), (1776, 11943), (1998, 10616), (2654, 7992), (2664, 7962), (3981, 5328), (3996, 5308)]