21453048

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 61780680

約数和(自身を除く): 40327632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1031, 1156, 1224, 1734, 2062, 2312, 2601, 3093, 3468, 4124, 5202, 6186, 6936, 8248, 9279, 10404, 12372, 17527, 18558, 20808, 24744, 35054, 37116, 52581, 70108, 74232, 105162, 140216, 157743, 210324, 297959, 315486, 420648, 595918, 630972, 893877, 1191836, 1261944, 1787754, 2383672, 2681631, 3575508, 5363262, 7151016, 10726524, 21453048]

約数ペア:

[(1, 21453048), (2, 10726524), (3, 7151016), (4, 5363262), (6, 3575508), (8, 2681631), (9, 2383672), (12, 1787754), (17, 1261944), (18, 1191836), (24, 893877), (34, 630972), (36, 595918), (51, 420648), (68, 315486), (72, 297959), (102, 210324), (136, 157743), (153, 140216), (204, 105162), (289, 74232), (306, 70108), (408, 52581), (578, 37116), (612, 35054), (867, 24744), (1031, 20808), (1156, 18558), (1224, 17527), (1734, 12372), (2062, 10404), (2312, 9279), (2601, 8248), (3093, 6936), (3468, 6186), (4124, 5202)]