21600072

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 64471680

約数和(自身を除く): 42871608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 47, 52, 72, 78, 94, 104, 117, 141, 156, 188, 234, 282, 312, 376, 423, 468, 491, 564, 611, 846, 936, 982, 1128, 1222, 1473, 1692, 1833, 1964, 2444, 2946, 3384, 3666, 3928, 4419, 4888, 5499, 5892, 6383, 7332, 8838, 10998, 11784, 12766, 14664, 17676, 19149, 21996, 23077, 25532, 35352, 38298, 43992, 46154, 51064, 57447, 69231, 76596, 92308, 114894, 138462, 153192, 184616, 207693, 229788, 276924, 300001, 415386, 459576, 553848, 600002, 830772, 900003, 1200004, 1661544, 1800006, 2400008, 2700009, 3600012, 5400018, 7200024, 10800036, 21600072]

約数ペア:

[(1, 21600072), (2, 10800036), (3, 7200024), (4, 5400018), (6, 3600012), (8, 2700009), (9, 2400008), (12, 1800006), (13, 1661544), (18, 1200004), (24, 900003), (26, 830772), (36, 600002), (39, 553848), (47, 459576), (52, 415386), (72, 300001), (78, 276924), (94, 229788), (104, 207693), (117, 184616), (141, 153192), (156, 138462), (188, 114894), (234, 92308), (282, 76596), (312, 69231), (376, 57447), (423, 51064), (468, 46154), (491, 43992), (564, 38298), (611, 35352), (846, 25532), (936, 23077), (982, 21996), (1128, 19149), (1222, 17676), (1473, 14664), (1692, 12766), (1833, 11784), (1964, 10998), (2444, 8838), (2946, 7332), (3384, 6383), (3666, 5892), (3928, 5499), (4419, 4888)]