21945265920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1904971}}^1$

素因数の和:1904998

約数の個数: 108

約数和(自身を含む): 75928373976

約数和(自身を除く): 53983108056

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, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1904971, 3809942, 5714913, 7619884, 9524855, 11429826, 15239768, 17144739, 19049710, 22859652, 28574565, 30479536, 34289478, 38099420, 45719304, 57149130, 60959072, 68578956, 76198840, 85723695, 91438608, 114298260, 121918144, 137157912, 152397680, 171447390, 182877216, 228596520, 243836288, 274315824, 304795360, 342894780, 365754432, 457193040, 487672576, 548631648, 609590720, 685789560, 731508864, 914386080, 1097263296, 1219181440, 1371579120, 1463017728, 1828772160, 2194526592, 2438362880, 2743158240, 3657544320, 4389053184, 5486316480, 7315088640, 10972632960, 21945265920]

約数ペア:

[(1, 21945265920), (2, 10972632960), (3, 7315088640), (4, 5486316480), (5, 4389053184), (6, 3657544320), (8, 2743158240), (9, 2438362880), (10, 2194526592), (12, 1828772160), (15, 1463017728), (16, 1371579120), (18, 1219181440), (20, 1097263296), (24, 914386080), (30, 731508864), (32, 685789560), (36, 609590720), (40, 548631648), (45, 487672576), (48, 457193040), (60, 365754432), (64, 342894780), (72, 304795360), (80, 274315824), (90, 243836288), (96, 228596520), (120, 182877216), (128, 171447390), (144, 152397680), (160, 137157912), (180, 121918144), (192, 114298260), (240, 91438608), (256, 85723695), (288, 76198840), (320, 68578956), (360, 60959072), (384, 57149130), (480, 45719304), (576, 38099420), (640, 34289478), (720, 30479536), (768, 28574565), (960, 22859652), (1152, 19049710), (1280, 17144739), (1440, 15239768), (1920, 11429826), (2304, 9524855), (2880, 7619884), (3840, 5714913), (5760, 3809942), (11520, 1904971)]