21936701220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{1621}}^1\times {\mathrm{4603}}^1$

素因数の和:6250

約数の個数: 144

約数和(自身を含む): 71510580288

約数和(自身を除く): 49573879068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 1621, 2940, 3242, 4603, 4863, 6484, 8105, 9206, 9726, 11347, 13809, 16210, 18412, 19452, 22694, 23015, 24315, 27618, 32221, 32420, 34041, 45388, 46030, 48630, 55236, 56735, 64442, 68082, 69045, 79429, 92060, 96663, 97260, 113470, 128884, 136164, 138090, 158858, 161105, 170205, 193326, 225547, 226940, 238287, 276180, 317716, 322210, 340410, 386652, 397145, 451094, 476574, 483315, 644420, 676641, 680820, 794290, 902188, 953148, 966630, 1127735, 1191435, 1353282, 1588580, 1933260, 2255470, 2382870, 2706564, 3383205, 4510940, 4765740, 6766410, 7461463, 13532820, 14922926, 22384389, 29845852, 37307315, 44768778, 52230241, 74614630, 89537556, 104460482, 111921945, 149229260, 156690723, 208920964, 223843890, 261151205, 313381446, 365611687, 447687780, 522302410, 626762892, 731223374, 783453615, 1044604820, 1096835061, 1462446748, 1566907230, 1828058435, 2193670122, 3133814460, 3656116870, 4387340244, 5484175305, 7312233740, 10968350610, 21936701220]

約数ペア:

[(1, 21936701220), (2, 10968350610), (3, 7312233740), (4, 5484175305), (5, 4387340244), (6, 3656116870), (7, 3133814460), (10, 2193670122), (12, 1828058435), (14, 1566907230), (15, 1462446748), (20, 1096835061), (21, 1044604820), (28, 783453615), (30, 731223374), (35, 626762892), (42, 522302410), (49, 447687780), (60, 365611687), (70, 313381446), (84, 261151205), (98, 223843890), (105, 208920964), (140, 156690723), (147, 149229260), (196, 111921945), (210, 104460482), (245, 89537556), (294, 74614630), (420, 52230241), (490, 44768778), (588, 37307315), (735, 29845852), (980, 22384389), (1470, 14922926), (1621, 13532820), (2940, 7461463), (3242, 6766410), (4603, 4765740), (4863, 4510940), (6484, 3383205), (8105, 2706564), (9206, 2382870), (9726, 2255470), (11347, 1933260), (13809, 1588580), (16210, 1353282), (18412, 1191435), (19452, 1127735), (22694, 966630), (23015, 953148), (24315, 902188), (27618, 794290), (32221, 680820), (32420, 676641), (34041, 644420), (45388, 483315), (46030, 476574), (48630, 451094), (55236, 397145), (56735, 386652), (64442, 340410), (68082, 322210), (69045, 317716), (79429, 276180), (92060, 238287), (96663, 226940), (97260, 225547), (113470, 193326), (128884, 170205), (136164, 161105), (138090, 158858)]