21317760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3701}}^1$

素因数の和:3726

約数の個数: 96

約数和(自身を含む): 73632780

約数和(自身を除く): 52315020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3701, 5760, 7402, 11103, 14804, 18505, 22206, 29608, 33309, 37010, 44412, 55515, 59216, 66618, 74020, 88824, 111030, 118432, 133236, 148040, 166545, 177648, 222060, 236864, 266472, 296080, 333090, 355296, 444120, 473728, 532944, 592160, 666180, 710592, 888240, 1065888, 1184320, 1332360, 1421184, 1776480, 2131776, 2368640, 2664720, 3552960, 4263552, 5329440, 7105920, 10658880, 21317760]

約数ペア:

[(1, 21317760), (2, 10658880), (3, 7105920), (4, 5329440), (5, 4263552), (6, 3552960), (8, 2664720), (9, 2368640), (10, 2131776), (12, 1776480), (15, 1421184), (16, 1332360), (18, 1184320), (20, 1065888), (24, 888240), (30, 710592), (32, 666180), (36, 592160), (40, 532944), (45, 473728), (48, 444120), (60, 355296), (64, 333090), (72, 296080), (80, 266472), (90, 236864), (96, 222060), (120, 177648), (128, 166545), (144, 148040), (160, 133236), (180, 118432), (192, 111030), (240, 88824), (288, 74020), (320, 66618), (360, 59216), (384, 55515), (480, 44412), (576, 37010), (640, 33309), (720, 29608), (960, 22206), (1152, 18505), (1440, 14804), (1920, 11103), (2880, 7402), (3701, 5760)]