21501958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 35814240

約数和(自身を除く): 14312282

約数列:

[1, 2, 19, 37, 38, 41, 74, 82, 373, 703, 746, 779, 1406, 1517, 1558, 3034, 7087, 13801, 14174, 15293, 27602, 28823, 30586, 57646, 262219, 290567, 524438, 565841, 581134, 1131682, 10750979, 21501958]

約数ペア:

[(1, 21501958), (2, 10750979), (19, 1131682), (37, 581134), (38, 565841), (41, 524438), (74, 290567), (82, 262219), (373, 57646), (703, 30586), (746, 28823), (779, 27602), (1406, 15293), (1517, 14174), (1558, 13801), (3034, 7087)]