21618072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 46522728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 59, 63, 72, 84, 118, 126, 168, 177, 236, 252, 354, 413, 472, 504, 531, 708, 727, 826, 1062, 1239, 1416, 1454, 1652, 2124, 2181, 2478, 2908, 3304, 3717, 4248, 4362, 4956, 5089, 5816, 6543, 7434, 8724, 9912, 10178, 13086, 14868, 15267, 17448, 20356, 26172, 29736, 30534, 40712, 42893, 45801, 52344, 61068, 85786, 91602, 122136, 128679, 171572, 183204, 257358, 300251, 343144, 366408, 386037, 514716, 600502, 772074, 900753, 1029432, 1201004, 1544148, 1801506, 2402008, 2702259, 3088296, 3603012, 5404518, 7206024, 10809036, 21618072]

約数ペア:

[(1, 21618072), (2, 10809036), (3, 7206024), (4, 5404518), (6, 3603012), (7, 3088296), (8, 2702259), (9, 2402008), (12, 1801506), (14, 1544148), (18, 1201004), (21, 1029432), (24, 900753), (28, 772074), (36, 600502), (42, 514716), (56, 386037), (59, 366408), (63, 343144), (72, 300251), (84, 257358), (118, 183204), (126, 171572), (168, 128679), (177, 122136), (236, 91602), (252, 85786), (354, 61068), (413, 52344), (472, 45801), (504, 42893), (531, 40712), (708, 30534), (727, 29736), (826, 26172), (1062, 20356), (1239, 17448), (1416, 15267), (1454, 14868), (1652, 13086), (2124, 10178), (2181, 9912), (2478, 8724), (2908, 7434), (3304, 6543), (3717, 5816), (4248, 5089), (4362, 4956)]