21063672

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13931}}^1$

素因数の和:13953

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 45809928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13931, 27862, 41793, 55724, 83586, 97517, 111448, 125379, 167172, 195034, 250758, 292551, 334344, 376137, 390068, 501516, 585102, 752274, 780136, 877653, 1003032, 1170204, 1504548, 1755306, 2340408, 2632959, 3009096, 3510612, 5265918, 7021224, 10531836, 21063672]

約数ペア:

[(1, 21063672), (2, 10531836), (3, 7021224), (4, 5265918), (6, 3510612), (7, 3009096), (8, 2632959), (9, 2340408), (12, 1755306), (14, 1504548), (18, 1170204), (21, 1003032), (24, 877653), (27, 780136), (28, 752274), (36, 585102), (42, 501516), (54, 390068), (56, 376137), (63, 334344), (72, 292551), (84, 250758), (108, 195034), (126, 167172), (168, 125379), (189, 111448), (216, 97517), (252, 83586), (378, 55724), (504, 41793), (756, 27862), (1512, 13931)]