21297312

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1102

約数の個数: 72

約数和(自身を含む): 61454484

約数和(自身を除く): 40157172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 1013, 1168, 1314, 1752, 2026, 2336, 2628, 3039, 3504, 4052, 5256, 6078, 7008, 8104, 9117, 10512, 12156, 16208, 18234, 21024, 24312, 32416, 36468, 48624, 72936, 73949, 97248, 145872, 147898, 221847, 291744, 295796, 443694, 591592, 665541, 887388, 1183184, 1331082, 1774776, 2366368, 2662164, 3549552, 5324328, 7099104, 10648656, 21297312]

約数ペア:

[(1, 21297312), (2, 10648656), (3, 7099104), (4, 5324328), (6, 3549552), (8, 2662164), (9, 2366368), (12, 1774776), (16, 1331082), (18, 1183184), (24, 887388), (32, 665541), (36, 591592), (48, 443694), (72, 295796), (73, 291744), (96, 221847), (144, 147898), (146, 145872), (219, 97248), (288, 73949), (292, 72936), (438, 48624), (584, 36468), (657, 32416), (876, 24312), (1013, 21024), (1168, 18234), (1314, 16208), (1752, 12156), (2026, 10512), (2336, 9117), (2628, 8104), (3039, 7008), (3504, 6078), (4052, 5256)]