21992330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 41568768

約数和(自身を除く): 19576438

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1163, 1891, 2326, 3782, 5815, 9455, 11630, 18910, 36053, 70943, 72106, 141886, 180265, 354715, 360530, 709430, 2199233, 4398466, 10996165, 21992330]

約数ペア:

[(1, 21992330), (2, 10996165), (5, 4398466), (10, 2199233), (31, 709430), (61, 360530), (62, 354715), (122, 180265), (155, 141886), (305, 72106), (310, 70943), (610, 36053), (1163, 18910), (1891, 11630), (2326, 9455), (3782, 5815)]