21799272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 38542488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1163, 1562, 1704, 2326, 2343, 3124, 3489, 4652, 4686, 6248, 6978, 9304, 9372, 12793, 13956, 18744, 25586, 27912, 38379, 51172, 76758, 82573, 102344, 153516, 165146, 247719, 307032, 330292, 495438, 660584, 908303, 990876, 1816606, 1981752, 2724909, 3633212, 5449818, 7266424, 10899636, 21799272]

約数ペア:

[(1, 21799272), (2, 10899636), (3, 7266424), (4, 5449818), (6, 3633212), (8, 2724909), (11, 1981752), (12, 1816606), (22, 990876), (24, 908303), (33, 660584), (44, 495438), (66, 330292), (71, 307032), (88, 247719), (132, 165146), (142, 153516), (213, 102344), (264, 82573), (284, 76758), (426, 51172), (568, 38379), (781, 27912), (852, 25586), (1163, 18744), (1562, 13956), (1704, 12793), (2326, 9372), (2343, 9304), (3124, 6978), (3489, 6248), (4652, 4686)]