21182330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 41416704

約数和(自身を除く): 20234374

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1283, 1651, 2566, 3302, 6415, 8255, 12830, 16510, 16679, 33358, 83395, 162941, 166790, 325882, 814705, 1629410, 2118233, 4236466, 10591165, 21182330]

約数ペア:

[(1, 21182330), (2, 10591165), (5, 4236466), (10, 2118233), (13, 1629410), (26, 814705), (65, 325882), (127, 166790), (130, 162941), (254, 83395), (635, 33358), (1270, 16679), (1283, 16510), (1651, 12830), (2566, 8255), (3302, 6415)]