21316554180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3820171}}^1$

素因数の和:3820217

約数の個数: 72

約数和(自身を含む): 66746045184

約数和(自身を除く): 45429491004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 3820171, 7640342, 11460513, 15280684, 19100855, 22921026, 34381539, 38201710, 45842052, 57302565, 68763078, 76403420, 114605130, 118425301, 137526156, 171907695, 229210260, 236850602, 343815390, 355275903, 473701204, 592126505, 687630780, 710551806, 1065827709, 1184253010, 1421103612, 1776379515, 2131655418, 2368506020, 3552759030, 4263310836, 5329138545, 7105518060, 10658277090, 21316554180]

約数ペア:

[(1, 21316554180), (2, 10658277090), (3, 7105518060), (4, 5329138545), (5, 4263310836), (6, 3552759030), (9, 2368506020), (10, 2131655418), (12, 1776379515), (15, 1421103612), (18, 1184253010), (20, 1065827709), (30, 710551806), (31, 687630780), (36, 592126505), (45, 473701204), (60, 355275903), (62, 343815390), (90, 236850602), (93, 229210260), (124, 171907695), (155, 137526156), (180, 118425301), (186, 114605130), (279, 76403420), (310, 68763078), (372, 57302565), (465, 45842052), (558, 38201710), (620, 34381539), (930, 22921026), (1116, 19100855), (1395, 15280684), (1860, 11460513), (2790, 7640342), (5580, 3820171)]