21102960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3823}}^1$

素因数の和:3862

約数の個数: 80

約数和(自身を含む): 68281344

約数和(自身を除く): 47178384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3823, 5520, 7646, 11469, 15292, 19115, 22938, 30584, 38230, 45876, 57345, 61168, 76460, 87929, 91752, 114690, 152920, 175858, 183504, 229380, 263787, 305840, 351716, 439645, 458760, 527574, 703432, 879290, 917520, 1055148, 1318935, 1406864, 1758580, 2110296, 2637870, 3517160, 4220592, 5275740, 7034320, 10551480, 21102960]

約数ペア:

[(1, 21102960), (2, 10551480), (3, 7034320), (4, 5275740), (5, 4220592), (6, 3517160), (8, 2637870), (10, 2110296), (12, 1758580), (15, 1406864), (16, 1318935), (20, 1055148), (23, 917520), (24, 879290), (30, 703432), (40, 527574), (46, 458760), (48, 439645), (60, 351716), (69, 305840), (80, 263787), (92, 229380), (115, 183504), (120, 175858), (138, 152920), (184, 114690), (230, 91752), (240, 87929), (276, 76460), (345, 61168), (368, 57345), (460, 45876), (552, 38230), (690, 30584), (920, 22938), (1104, 19115), (1380, 15292), (1840, 11469), (2760, 7646), (3823, 5520)]