21580128

素因数分解:

$2^5\times 3^3\times {\mathrm{24977}}^1$

素因数の和:24996

約数の個数: 48

約数和(自身を含む): 62944560

約数和(自身を除く): 41364432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 24977, 49954, 74931, 99908, 149862, 199816, 224793, 299724, 399632, 449586, 599448, 674379, 799264, 899172, 1198896, 1348758, 1798344, 2397792, 2697516, 3596688, 5395032, 7193376, 10790064, 21580128]

約数ペア:

[(1, 21580128), (2, 10790064), (3, 7193376), (4, 5395032), (6, 3596688), (8, 2697516), (9, 2397792), (12, 1798344), (16, 1348758), (18, 1198896), (24, 899172), (27, 799264), (32, 674379), (36, 599448), (48, 449586), (54, 399632), (72, 299724), (96, 224793), (108, 199816), (144, 149862), (216, 99908), (288, 74931), (432, 49954), (864, 24977)]