21437112944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{351751}}^1$

素因数の和:352065

約数の個数: 40

約数和(自身を含む): 44882148192

約数和(自身を除く): 23445035248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 293, 586, 1172, 2344, 3809, 4688, 7618, 15236, 30472, 60944, 351751, 703502, 1407004, 2814008, 4572763, 5628016, 9145526, 18291052, 36582104, 73164208, 103063043, 206126086, 412252172, 824504344, 1339819559, 1649008688, 2679639118, 5359278236, 10718556472, 21437112944]

約数ペア:

[(1, 21437112944), (2, 10718556472), (4, 5359278236), (8, 2679639118), (13, 1649008688), (16, 1339819559), (26, 824504344), (52, 412252172), (104, 206126086), (208, 103063043), (293, 73164208), (586, 36582104), (1172, 18291052), (2344, 9145526), (3809, 5628016), (4688, 4572763), (7618, 2814008), (15236, 1407004), (30472, 703502), (60944, 351751)]