21591480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7860

約数の個数: 64

約数和(自身を含む): 67599360

約数和(自身を除く): 46007880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7823, 15646, 23469, 31292, 39115, 46938, 62584, 78230, 93876, 117345, 156460, 179929, 187752, 234690, 312920, 359858, 469380, 539787, 719716, 899645, 938760, 1079574, 1439432, 1799290, 2159148, 2698935, 3598580, 4318296, 5397870, 7197160, 10795740, 21591480]

約数ペア:

[(1, 21591480), (2, 10795740), (3, 7197160), (4, 5397870), (5, 4318296), (6, 3598580), (8, 2698935), (10, 2159148), (12, 1799290), (15, 1439432), (20, 1079574), (23, 938760), (24, 899645), (30, 719716), (40, 539787), (46, 469380), (60, 359858), (69, 312920), (92, 234690), (115, 187752), (120, 179929), (138, 156460), (184, 117345), (230, 93876), (276, 78230), (345, 62584), (460, 46938), (552, 39115), (690, 31292), (920, 23469), (1380, 15646), (2760, 7823)]