21067590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 54198720

約数和(自身を除く): 33131130

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 101, 102, 170, 202, 255, 303, 409, 505, 510, 606, 818, 1010, 1227, 1515, 1717, 2045, 2454, 3030, 3434, 4090, 5151, 6135, 6953, 8585, 10302, 12270, 13906, 17170, 20859, 25755, 34765, 41309, 41718, 51510, 69530, 82618, 104295, 123927, 206545, 208590, 247854, 413090, 619635, 702253, 1239270, 1404506, 2106759, 3511265, 4213518, 7022530, 10533795, 21067590]

約数ペア:

[(1, 21067590), (2, 10533795), (3, 7022530), (5, 4213518), (6, 3511265), (10, 2106759), (15, 1404506), (17, 1239270), (30, 702253), (34, 619635), (51, 413090), (85, 247854), (101, 208590), (102, 206545), (170, 123927), (202, 104295), (255, 82618), (303, 69530), (409, 51510), (505, 41718), (510, 41309), (606, 34765), (818, 25755), (1010, 20859), (1227, 17170), (1515, 13906), (1717, 12270), (2045, 10302), (2454, 8585), (3030, 6953), (3434, 6135), (4090, 5151)]