21450996904

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{3637}}^1\times {\mathrm{4523}}^1$

素因数の和:8329

約数の個数: 32

約数和(自身を含む): 40487447520

約数和(自身を除く): 19036450616

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 3637, 4523, 7274, 9046, 14548, 18092, 29096, 36184, 592831, 737249, 1185662, 1474498, 2371324, 2948996, 4742648, 5897992, 16450151, 32900302, 65800604, 131601208, 2681374613, 5362749226, 10725498452, 21450996904]

約数ペア:

[(1, 21450996904), (2, 10725498452), (4, 5362749226), (8, 2681374613), (163, 131601208), (326, 65800604), (652, 32900302), (1304, 16450151), (3637, 5897992), (4523, 4742648), (7274, 2948996), (9046, 2371324), (14548, 1474498), (18092, 1185662), (29096, 737249), (36184, 592831)]