21099624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9690

約数の個数: 64

約数和(自身を含む): 64928640

約数和(自身を除く): 43829016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9661, 19322, 28983, 38644, 57966, 67627, 77288, 115932, 125593, 135254, 202881, 231864, 251186, 270508, 376779, 405762, 502372, 541016, 753558, 811524, 879151, 1004744, 1507116, 1623048, 1758302, 2637453, 3014232, 3516604, 5274906, 7033208, 10549812, 21099624]

約数ペア:

[(1, 21099624), (2, 10549812), (3, 7033208), (4, 5274906), (6, 3516604), (7, 3014232), (8, 2637453), (12, 1758302), (13, 1623048), (14, 1507116), (21, 1004744), (24, 879151), (26, 811524), (28, 753558), (39, 541016), (42, 502372), (52, 405762), (56, 376779), (78, 270508), (84, 251186), (91, 231864), (104, 202881), (156, 135254), (168, 125593), (182, 115932), (273, 77288), (312, 67627), (364, 57966), (546, 38644), (728, 28983), (1092, 19322), (2184, 9661)]