21903882

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 38080182

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 49, 66, 77, 78, 91, 98, 143, 147, 154, 182, 231, 273, 286, 294, 429, 462, 521, 539, 546, 637, 858, 1001, 1042, 1078, 1274, 1563, 1617, 1911, 2002, 3003, 3126, 3234, 3647, 3822, 5731, 6006, 6773, 7007, 7294, 10941, 11462, 13546, 14014, 17193, 20319, 21021, 21882, 25529, 34386, 40117, 40638, 42042, 47411, 51058, 74503, 76587, 80234, 94822, 120351, 142233, 149006, 153174, 223509, 240702, 280819, 284466, 331877, 447018, 521521, 561638, 663754, 842457, 995631, 1043042, 1564563, 1684914, 1991262, 3129126, 3650647, 7301294, 10951941, 21903882]

約数ペア:

[(1, 21903882), (2, 10951941), (3, 7301294), (6, 3650647), (7, 3129126), (11, 1991262), (13, 1684914), (14, 1564563), (21, 1043042), (22, 995631), (26, 842457), (33, 663754), (39, 561638), (42, 521521), (49, 447018), (66, 331877), (77, 284466), (78, 280819), (91, 240702), (98, 223509), (143, 153174), (147, 149006), (154, 142233), (182, 120351), (231, 94822), (273, 80234), (286, 76587), (294, 74503), (429, 51058), (462, 47411), (521, 42042), (539, 40638), (546, 40117), (637, 34386), (858, 25529), (1001, 21882), (1042, 21021), (1078, 20319), (1274, 17193), (1563, 14014), (1617, 13546), (1911, 11462), (2002, 10941), (3003, 7294), (3126, 7007), (3234, 6773), (3647, 6006), (3822, 5731)]