21388908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{93811}}^1$

素因数の和:93837

約数の個数: 24

約数和(自身を含む): 52534720

約数和(自身を除く): 31145812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 93811, 187622, 281433, 375244, 562866, 1125732, 1782409, 3564818, 5347227, 7129636, 10694454, 21388908]

約数ペア:

[(1, 21388908), (2, 10694454), (3, 7129636), (4, 5347227), (6, 3564818), (12, 1782409), (19, 1125732), (38, 562866), (57, 375244), (76, 281433), (114, 187622), (228, 93811)]