21118188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 40523028

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 83, 84, 91, 156, 166, 182, 233, 249, 273, 332, 364, 466, 498, 546, 581, 699, 932, 996, 1079, 1092, 1162, 1398, 1631, 1743, 2158, 2324, 2796, 3029, 3237, 3262, 3486, 4316, 4893, 6058, 6474, 6524, 6972, 7553, 9087, 9786, 12116, 12948, 15106, 18174, 19339, 19572, 21203, 22659, 30212, 36348, 38678, 42406, 45318, 58017, 63609, 77356, 84812, 90636, 116034, 127218, 135373, 232068, 251407, 254436, 270746, 406119, 502814, 541492, 754221, 812238, 1005628, 1508442, 1624476, 1759849, 3016884, 3519698, 5279547, 7039396, 10559094, 21118188]

約数ペア:

[(1, 21118188), (2, 10559094), (3, 7039396), (4, 5279547), (6, 3519698), (7, 3016884), (12, 1759849), (13, 1624476), (14, 1508442), (21, 1005628), (26, 812238), (28, 754221), (39, 541492), (42, 502814), (52, 406119), (78, 270746), (83, 254436), (84, 251407), (91, 232068), (156, 135373), (166, 127218), (182, 116034), (233, 90636), (249, 84812), (273, 77356), (332, 63609), (364, 58017), (466, 45318), (498, 42406), (546, 38678), (581, 36348), (699, 30212), (932, 22659), (996, 21203), (1079, 19572), (1092, 19339), (1162, 18174), (1398, 15106), (1631, 12948), (1743, 12116), (2158, 9786), (2324, 9087), (2796, 7553), (3029, 6972), (3237, 6524), (3262, 6474), (3486, 6058), (4316, 4893)]