21200542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 37111680

約数和(自身を除く): 15911138

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 737, 757, 1273, 1474, 1514, 2546, 8327, 14003, 14383, 16654, 28006, 28766, 50719, 101438, 158213, 316426, 557909, 963661, 1115818, 1927322, 10600271, 21200542]

約数ペア:

[(1, 21200542), (2, 10600271), (11, 1927322), (19, 1115818), (22, 963661), (38, 557909), (67, 316426), (134, 158213), (209, 101438), (418, 50719), (737, 28766), (757, 28006), (1273, 16654), (1474, 14383), (1514, 14003), (2546, 8327)]