21701358

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6379}}^1$

素因数の和:6403

約数の個数: 48

約数和(自身を含む): 55735680

約数和(自身を除く): 34034322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6379, 12758, 19137, 38274, 44653, 57411, 89306, 114822, 133959, 172233, 267918, 344466, 401877, 516699, 803754, 1033398, 1205631, 1550097, 2411262, 3100194, 3616893, 7233786, 10850679, 21701358]

約数ペア:

[(1, 21701358), (2, 10850679), (3, 7233786), (6, 3616893), (7, 3100194), (9, 2411262), (14, 1550097), (18, 1205631), (21, 1033398), (27, 803754), (42, 516699), (54, 401877), (63, 344466), (81, 267918), (126, 172233), (162, 133959), (189, 114822), (243, 89306), (378, 57411), (486, 44653), (567, 38274), (1134, 19137), (1701, 12758), (3402, 6379)]