21071570402

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1\times {\mathrm{683}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 32165346240

約数和(自身を除く): 11093775838

約数列:

[1, 2, 89, 178, 353, 491, 683, 706, 982, 1366, 31417, 43699, 60787, 62834, 87398, 121574, 173323, 241099, 335353, 346646, 482198, 670706, 15425747, 21457811, 29846417, 30851494, 42915622, 59692834, 118379609, 236759218, 10535785201, 21071570402]

約数ペア:

[(1, 21071570402), (2, 10535785201), (89, 236759218), (178, 118379609), (353, 59692834), (491, 42915622), (683, 30851494), (706, 29846417), (982, 21457811), (1366, 15425747), (31417, 670706), (43699, 482198), (60787, 346646), (62834, 335353), (87398, 241099), (121574, 173323)]