21747195

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7213}}^1$

素因数の和:7291

約数の個数: 24

約数和(自身を含む): 38263056

約数和(自身を除く): 16515861

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 7213, 21639, 36065, 64917, 108195, 324585, 483271, 1449813, 2416355, 4349439, 7249065, 21747195]

約数ペア:

[(1, 21747195), (3, 7249065), (5, 4349439), (9, 2416355), (15, 1449813), (45, 483271), (67, 324585), (201, 108195), (335, 64917), (603, 36065), (1005, 21639), (3015, 7213)]