21002291361

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{1367}}^1\times {\mathrm{12107}}^1$

素因数の和:13530

約数の個数: 32

約数和(自身を含む): 31802388480

約数和(自身を除く): 10800097119

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 1367, 4101, 12107, 12303, 36321, 36909, 64249, 108963, 192747, 326889, 569029, 578241, 1707087, 1734723, 5121261, 15363783, 16550269, 49650807, 148952421, 446857263, 777862643, 2333587929, 7000763787, 21002291361]

約数ペア:

[(1, 21002291361), (3, 7000763787), (9, 2333587929), (27, 777862643), (47, 446857263), (141, 148952421), (423, 49650807), (1269, 16550269), (1367, 15363783), (4101, 5121261), (12107, 1734723), (12303, 1707087), (36321, 578241), (36909, 569029), (64249, 326889), (108963, 192747)]