21435792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 63900672

約数和(自身を除く): 42464880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 487, 524, 786, 917, 974, 1048, 1461, 1572, 1834, 1948, 2096, 2751, 2922, 3144, 3409, 3668, 3896, 5502, 5844, 6288, 6818, 7336, 7792, 10227, 11004, 11688, 13636, 14672, 20454, 22008, 23376, 27272, 40908, 44016, 54544, 63797, 81816, 127594, 163632, 191391, 255188, 382782, 446579, 510376, 765564, 893158, 1020752, 1339737, 1531128, 1786316, 2679474, 3062256, 3572632, 5358948, 7145264, 10717896, 21435792]

約数ペア:

[(1, 21435792), (2, 10717896), (3, 7145264), (4, 5358948), (6, 3572632), (7, 3062256), (8, 2679474), (12, 1786316), (14, 1531128), (16, 1339737), (21, 1020752), (24, 893158), (28, 765564), (42, 510376), (48, 446579), (56, 382782), (84, 255188), (112, 191391), (131, 163632), (168, 127594), (262, 81816), (336, 63797), (393, 54544), (487, 44016), (524, 40908), (786, 27272), (917, 23376), (974, 22008), (1048, 20454), (1461, 14672), (1572, 13636), (1834, 11688), (1948, 11004), (2096, 10227), (2751, 7792), (2922, 7336), (3144, 6818), (3409, 6288), (3668, 5844), (3896, 5502)]