21352674815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{6911}}^1$

素因数の和:7319

約数の個数: 32

約数和(自身を含む): 27423277056

約数和(自身を除く): 6070602241

約数列:

[1, 5, 17, 85, 163, 223, 815, 1115, 2771, 3791, 6911, 13855, 18955, 34555, 36349, 117487, 181745, 587435, 617933, 1126493, 1541153, 3089665, 5632465, 7705765, 19150381, 26199601, 95751905, 130998005, 251207939, 1256039695, 4270534963, 21352674815]

約数ペア:

[(1, 21352674815), (5, 4270534963), (17, 1256039695), (85, 251207939), (163, 130998005), (223, 95751905), (815, 26199601), (1115, 19150381), (2771, 7705765), (3791, 5632465), (6911, 3089665), (13855, 1541153), (18955, 1126493), (34555, 617933), (36349, 587435), (117487, 181745)]