21756554883

素因数分解:

$3^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{98641}}^1$

素因数の和:99049

約数の個数: 40

約数和(自身を含む): 37239327840

約数和(自身を除く): 15482772957

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 389, 567, 1167, 2723, 3501, 8169, 10503, 24507, 31509, 73521, 98641, 220563, 295923, 690487, 887769, 2071461, 2663307, 6214383, 7989921, 18643149, 38371349, 55929447, 115114047, 268599443, 345342141, 805798329, 1036026423, 2417394987, 3108079269, 7252184961, 21756554883]

約数ペア:

[(1, 21756554883), (3, 7252184961), (7, 3108079269), (9, 2417394987), (21, 1036026423), (27, 805798329), (63, 345342141), (81, 268599443), (189, 115114047), (389, 55929447), (567, 38371349), (1167, 18643149), (2723, 7989921), (3501, 6214383), (8169, 2663307), (10503, 2071461), (24507, 887769), (31509, 690487), (73521, 295923), (98641, 220563)]