21144942

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 58325760

約数和(自身を除く): 37180818

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 169, 182, 189, 234, 273, 331, 338, 351, 378, 507, 546, 662, 702, 819, 993, 1014, 1183, 1521, 1638, 1986, 2317, 2366, 2457, 2979, 3042, 3549, 4303, 4563, 4634, 4914, 5958, 6951, 7098, 8606, 8937, 9126, 10647, 12909, 13902, 17874, 20853, 21294, 25818, 30121, 31941, 38727, 41706, 55939, 60242, 62559, 63882, 77454, 90363, 111878, 116181, 125118, 167817, 180726, 232362, 271089, 335634, 391573, 503451, 542178, 783146, 813267, 1006902, 1174719, 1510353, 1626534, 2349438, 3020706, 3524157, 7048314, 10572471, 21144942]

約数ペア:

[(1, 21144942), (2, 10572471), (3, 7048314), (6, 3524157), (7, 3020706), (9, 2349438), (13, 1626534), (14, 1510353), (18, 1174719), (21, 1006902), (26, 813267), (27, 783146), (39, 542178), (42, 503451), (54, 391573), (63, 335634), (78, 271089), (91, 232362), (117, 180726), (126, 167817), (169, 125118), (182, 116181), (189, 111878), (234, 90363), (273, 77454), (331, 63882), (338, 62559), (351, 60242), (378, 55939), (507, 41706), (546, 38727), (662, 31941), (702, 30121), (819, 25818), (993, 21294), (1014, 20853), (1183, 17874), (1521, 13902), (1638, 12909), (1986, 10647), (2317, 9126), (2366, 8937), (2457, 8606), (2979, 7098), (3042, 6951), (3549, 5958), (4303, 4914), (4563, 4634)]