21925260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17401}}^1$

素因数の和:17423

約数の個数: 72

約数和(自身を含む): 76011936

約数和(自身を除く): 54086676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17401, 34802, 52203, 69604, 87005, 104406, 121807, 156609, 174010, 208812, 243614, 261015, 313218, 348020, 365421, 487228, 522030, 609035, 626436, 730842, 783045, 1044060, 1096263, 1218070, 1461684, 1566090, 1827105, 2192526, 2436140, 3132180, 3654210, 4385052, 5481315, 7308420, 10962630, 21925260]

約数ペア:

[(1, 21925260), (2, 10962630), (3, 7308420), (4, 5481315), (5, 4385052), (6, 3654210), (7, 3132180), (9, 2436140), (10, 2192526), (12, 1827105), (14, 1566090), (15, 1461684), (18, 1218070), (20, 1096263), (21, 1044060), (28, 783045), (30, 730842), (35, 626436), (36, 609035), (42, 522030), (45, 487228), (60, 365421), (63, 348020), (70, 313218), (84, 261015), (90, 243614), (105, 208812), (126, 174010), (140, 156609), (180, 121807), (210, 104406), (252, 87005), (315, 69604), (420, 52203), (630, 34802), (1260, 17401)]