20211505192

素因数分解:

$2^3\times {\mathrm{229}}^1\times {\mathrm{1999}}^1\times {\mathrm{5519}}^1$

素因数の和:7753

約数の個数: 32

約数和(自身を含む): 38088000000

約数和(自身を除く): 17876494808

約数列:

[1, 2, 4, 8, 229, 458, 916, 1832, 1999, 3998, 5519, 7996, 11038, 15992, 22076, 44152, 457771, 915542, 1263851, 1831084, 2527702, 3662168, 5055404, 10110808, 11032481, 22064962, 44129924, 88259848, 2526438149, 5052876298, 10105752596, 20211505192]

約数ペア:

[(1, 20211505192), (2, 10105752596), (4, 5052876298), (8, 2526438149), (229, 88259848), (458, 44129924), (916, 22064962), (1832, 11032481), (1999, 10110808), (3998, 5055404), (5519, 3662168), (7996, 2527702), (11038, 1831084), (15992, 1263851), (22076, 915542), (44152, 457771)]