21729408

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 36875712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 797, 852, 1136, 1594, 1704, 2272, 2391, 3188, 3408, 4544, 4782, 6376, 6816, 9088, 9564, 12752, 13632, 19128, 25504, 27264, 38256, 51008, 56587, 76512, 102016, 113174, 153024, 169761, 226348, 306048, 339522, 452696, 679044, 905392, 1358088, 1810784, 2716176, 3621568, 5432352, 7243136, 10864704, 21729408]

約数ペア:

[(1, 21729408), (2, 10864704), (3, 7243136), (4, 5432352), (6, 3621568), (8, 2716176), (12, 1810784), (16, 1358088), (24, 905392), (32, 679044), (48, 452696), (64, 339522), (71, 306048), (96, 226348), (128, 169761), (142, 153024), (192, 113174), (213, 102016), (284, 76512), (384, 56587), (426, 51008), (568, 38256), (797, 27264), (852, 25504), (1136, 19128), (1594, 13632), (1704, 12752), (2272, 9564), (2391, 9088), (3188, 6816), (3408, 6376), (4544, 4782)]