21730248

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2719}}^1$

素因数の和:2771

約数の個数: 64

約数和(自身を含む): 62016000

約数和(自身を除く): 40285752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 2719, 3996, 5438, 7992, 8157, 10876, 16314, 21752, 24471, 32628, 48942, 65256, 73413, 97884, 100603, 146826, 195768, 201206, 293652, 301809, 402412, 587304, 603618, 804824, 905427, 1207236, 1810854, 2414472, 2716281, 3621708, 5432562, 7243416, 10865124, 21730248]

約数ペア:

[(1, 21730248), (2, 10865124), (3, 7243416), (4, 5432562), (6, 3621708), (8, 2716281), (9, 2414472), (12, 1810854), (18, 1207236), (24, 905427), (27, 804824), (36, 603618), (37, 587304), (54, 402412), (72, 301809), (74, 293652), (108, 201206), (111, 195768), (148, 146826), (216, 100603), (222, 97884), (296, 73413), (333, 65256), (444, 48942), (666, 32628), (888, 24471), (999, 21752), (1332, 16314), (1998, 10876), (2664, 8157), (2719, 7992), (3996, 5438)]