21918708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 65945600

約数和(自身を除く): 44026892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 84, 108, 126, 158, 189, 237, 252, 316, 367, 378, 474, 553, 711, 734, 756, 948, 1101, 1106, 1422, 1468, 1659, 2133, 2202, 2212, 2569, 2844, 3303, 3318, 4266, 4404, 4977, 5138, 6606, 6636, 7707, 8532, 9909, 9954, 10276, 13212, 14931, 15414, 19818, 19908, 23121, 28993, 29862, 30828, 39636, 46242, 57986, 59724, 69363, 86979, 92484, 115972, 138726, 173958, 202951, 260937, 277452, 347916, 405902, 521874, 608853, 782811, 811804, 1043748, 1217706, 1565622, 1826559, 2435412, 3131244, 3653118, 5479677, 7306236, 10959354, 21918708]

約数ペア:

[(1, 21918708), (2, 10959354), (3, 7306236), (4, 5479677), (6, 3653118), (7, 3131244), (9, 2435412), (12, 1826559), (14, 1565622), (18, 1217706), (21, 1043748), (27, 811804), (28, 782811), (36, 608853), (42, 521874), (54, 405902), (63, 347916), (79, 277452), (84, 260937), (108, 202951), (126, 173958), (158, 138726), (189, 115972), (237, 92484), (252, 86979), (316, 69363), (367, 59724), (378, 57986), (474, 46242), (553, 39636), (711, 30828), (734, 29862), (756, 28993), (948, 23121), (1101, 19908), (1106, 19818), (1422, 15414), (1468, 14931), (1659, 13212), (2133, 10276), (2202, 9954), (2212, 9909), (2569, 8532), (2844, 7707), (3303, 6636), (3318, 6606), (4266, 5138), (4404, 4977)]