21648627

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22380813

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 89, 91, 99, 117, 143, 189, 231, 243, 267, 273, 297, 351, 429, 567, 623, 693, 801, 819, 891, 979, 1001, 1053, 1157, 1287, 1701, 1869, 2079, 2403, 2457, 2673, 2937, 3003, 3159, 3471, 3861, 5607, 6237, 6853, 7209, 7371, 8099, 8811, 9009, 10413, 11583, 12727, 16821, 18711, 20559, 21627, 22113, 24297, 26433, 27027, 31239, 34749, 38181, 50463, 61677, 72891, 79299, 81081, 89089, 93717, 114543, 151389, 185031, 218673, 237897, 243243, 267267, 281151, 343629, 555093, 656019, 801801, 1030887, 1665279, 1968057, 2405403, 3092661, 7216209, 21648627]

約数ペア:

[(1, 21648627), (3, 7216209), (7, 3092661), (9, 2405403), (11, 1968057), (13, 1665279), (21, 1030887), (27, 801801), (33, 656019), (39, 555093), (63, 343629), (77, 281151), (81, 267267), (89, 243243), (91, 237897), (99, 218673), (117, 185031), (143, 151389), (189, 114543), (231, 93717), (243, 89089), (267, 81081), (273, 79299), (297, 72891), (351, 61677), (429, 50463), (567, 38181), (623, 34749), (693, 31239), (801, 27027), (819, 26433), (891, 24297), (979, 22113), (1001, 21627), (1053, 20559), (1157, 18711), (1287, 16821), (1701, 12727), (1869, 11583), (2079, 10413), (2403, 9009), (2457, 8811), (2673, 8099), (2937, 7371), (3003, 7209), (3159, 6853), (3471, 6237), (3861, 5607)]