21098196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 63073920

約数和(自身を除く): 41975724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2887, 3654, 5774, 7308, 8661, 11548, 17322, 20209, 25983, 34644, 40418, 51966, 60627, 80836, 83723, 103932, 121254, 167446, 181881, 242508, 251169, 334892, 363762, 502338, 586061, 727524, 753507, 1004676, 1172122, 1507014, 1758183, 2344244, 3014028, 3516366, 5274549, 7032732, 10549098, 21098196]

約数ペア:

[(1, 21098196), (2, 10549098), (3, 7032732), (4, 5274549), (6, 3516366), (7, 3014028), (9, 2344244), (12, 1758183), (14, 1507014), (18, 1172122), (21, 1004676), (28, 753507), (29, 727524), (36, 586061), (42, 502338), (58, 363762), (63, 334892), (84, 251169), (87, 242508), (116, 181881), (126, 167446), (174, 121254), (203, 103932), (252, 83723), (261, 80836), (348, 60627), (406, 51966), (522, 40418), (609, 34644), (812, 25983), (1044, 20209), (1218, 17322), (1827, 11548), (2436, 8661), (2887, 7308), (3654, 5774)]