21765720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5851}}^1$

素因数の和:5896

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 45649320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5851, 11702, 17553, 23404, 29255, 35106, 46808, 58510, 70212, 87765, 117020, 140424, 175530, 181381, 234040, 351060, 362762, 544143, 702120, 725524, 906905, 1088286, 1451048, 1813810, 2176572, 2720715, 3627620, 4353144, 5441430, 7255240, 10882860, 21765720]

約数ペア:

[(1, 21765720), (2, 10882860), (3, 7255240), (4, 5441430), (5, 4353144), (6, 3627620), (8, 2720715), (10, 2176572), (12, 1813810), (15, 1451048), (20, 1088286), (24, 906905), (30, 725524), (31, 702120), (40, 544143), (60, 362762), (62, 351060), (93, 234040), (120, 181381), (124, 175530), (155, 140424), (186, 117020), (248, 87765), (310, 70212), (372, 58510), (465, 46808), (620, 35106), (744, 29255), (930, 23404), (1240, 17553), (1860, 11702), (3720, 5851)]