21019236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35747}}^1$

素因数の和:35768

約数の個数: 36

約数和(自身を含む): 57053808

約数和(自身を除く): 36034572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35747, 71494, 107241, 142988, 214482, 250229, 428964, 500458, 750687, 1000916, 1501374, 1751603, 3002748, 3503206, 5254809, 7006412, 10509618, 21019236]

約数ペア:

[(1, 21019236), (2, 10509618), (3, 7006412), (4, 5254809), (6, 3503206), (7, 3002748), (12, 1751603), (14, 1501374), (21, 1000916), (28, 750687), (42, 500458), (49, 428964), (84, 250229), (98, 214482), (147, 142988), (196, 107241), (294, 71494), (588, 35747)]