21128730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100613}}^1$

素因数の和:100630

約数の個数: 32

約数和(自身を含む): 57953664

約数和(自身を除く): 36824934

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100613, 201226, 301839, 503065, 603678, 704291, 1006130, 1408582, 1509195, 2112873, 3018390, 3521455, 4225746, 7042910, 10564365, 21128730]

約数ペア:

[(1, 21128730), (2, 10564365), (3, 7042910), (5, 4225746), (6, 3521455), (7, 3018390), (10, 2112873), (14, 1509195), (15, 1408582), (21, 1006130), (30, 704291), (35, 603678), (42, 503065), (70, 301839), (105, 201226), (210, 100613)]