21192570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11213}}^1$

素因数の和:11236

約数の個数: 64

約数和(自身を含む): 64592640

約数和(自身を除く): 43400070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11213, 22426, 33639, 56065, 67278, 78491, 100917, 112130, 156982, 168195, 201834, 235473, 302751, 336390, 392455, 470946, 504585, 605502, 706419, 784910, 1009170, 1177365, 1412838, 1513755, 2119257, 2354730, 3027510, 3532095, 4238514, 7064190, 10596285, 21192570]

約数ペア:

[(1, 21192570), (2, 10596285), (3, 7064190), (5, 4238514), (6, 3532095), (7, 3027510), (9, 2354730), (10, 2119257), (14, 1513755), (15, 1412838), (18, 1177365), (21, 1009170), (27, 784910), (30, 706419), (35, 605502), (42, 504585), (45, 470946), (54, 392455), (63, 336390), (70, 302751), (90, 235473), (105, 201834), (126, 168195), (135, 156982), (189, 112130), (210, 100917), (270, 78491), (315, 67278), (378, 56065), (630, 33639), (945, 22426), (1890, 11213)]