21324540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1213}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 59961888

約数和(自身を除く): 38637348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1172, 1213, 1465, 1758, 2426, 2930, 3516, 3639, 4395, 4852, 5860, 6065, 7278, 8790, 12130, 14556, 17580, 18195, 24260, 36390, 72780, 355409, 710818, 1066227, 1421636, 1777045, 2132454, 3554090, 4264908, 5331135, 7108180, 10662270, 21324540]

約数ペア:

[(1, 21324540), (2, 10662270), (3, 7108180), (4, 5331135), (5, 4264908), (6, 3554090), (10, 2132454), (12, 1777045), (15, 1421636), (20, 1066227), (30, 710818), (60, 355409), (293, 72780), (586, 36390), (879, 24260), (1172, 18195), (1213, 17580), (1465, 14556), (1758, 12130), (2426, 8790), (2930, 7278), (3516, 6065), (3639, 5860), (4395, 4852)]