21342072

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^3\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 57002400

約数和(自身を除く): 35660328

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 181, 204, 289, 362, 408, 543, 578, 724, 867, 1086, 1156, 1448, 1734, 2172, 2312, 3077, 3468, 4344, 4913, 6154, 6936, 9231, 9826, 12308, 14739, 18462, 19652, 24616, 29478, 36924, 39304, 52309, 58956, 73848, 104618, 117912, 156927, 209236, 313854, 418472, 627708, 889253, 1255416, 1778506, 2667759, 3557012, 5335518, 7114024, 10671036, 21342072]

約数ペア:

[(1, 21342072), (2, 10671036), (3, 7114024), (4, 5335518), (6, 3557012), (8, 2667759), (12, 1778506), (17, 1255416), (24, 889253), (34, 627708), (51, 418472), (68, 313854), (102, 209236), (136, 156927), (181, 117912), (204, 104618), (289, 73848), (362, 58956), (408, 52309), (543, 39304), (578, 36924), (724, 29478), (867, 24616), (1086, 19652), (1156, 18462), (1448, 14739), (1734, 12308), (2172, 9826), (2312, 9231), (3077, 6936), (3468, 6154), (4344, 4913)]