21170070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3397

約数の個数: 48

約数和(自身を含む): 55834272

約数和(自身を除く): 34664202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 3313, 6390, 6626, 9939, 16565, 19878, 29817, 33130, 49695, 59634, 99390, 149085, 235223, 298170, 470446, 705669, 1176115, 1411338, 2117007, 2352230, 3528345, 4234014, 7056690, 10585035, 21170070]

約数ペア:

[(1, 21170070), (2, 10585035), (3, 7056690), (5, 4234014), (6, 3528345), (9, 2352230), (10, 2117007), (15, 1411338), (18, 1176115), (30, 705669), (45, 470446), (71, 298170), (90, 235223), (142, 149085), (213, 99390), (355, 59634), (426, 49695), (639, 33130), (710, 29817), (1065, 19878), (1278, 16565), (2130, 9939), (3195, 6626), (3313, 6390)]