21599460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 69115200

約数和(自身を除く): 47515740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 199, 201, 268, 270, 324, 335, 398, 402, 405, 540, 597, 603, 670, 796, 804, 810, 995, 1005, 1194, 1206, 1340, 1620, 1791, 1809, 1990, 2010, 2388, 2412, 2985, 3015, 3582, 3618, 3980, 4020, 5373, 5427, 5970, 6030, 7164, 7236, 8955, 9045, 10746, 10854, 11940, 12060, 13333, 16119, 17910, 18090, 21492, 21708, 26666, 26865, 27135, 32238, 35820, 36180, 39999, 53332, 53730, 54270, 64476, 66665, 79998, 80595, 107460, 108540, 119997, 133330, 159996, 161190, 199995, 239994, 266660, 322380, 359991, 399990, 479988, 599985, 719982, 799980, 1079973, 1199970, 1439964, 1799955, 2159946, 2399940, 3599910, 4319892, 5399865, 7199820, 10799730, 21599460]

約数ペア:

[(1, 21599460), (2, 10799730), (3, 7199820), (4, 5399865), (5, 4319892), (6, 3599910), (9, 2399940), (10, 2159946), (12, 1799955), (15, 1439964), (18, 1199970), (20, 1079973), (27, 799980), (30, 719982), (36, 599985), (45, 479988), (54, 399990), (60, 359991), (67, 322380), (81, 266660), (90, 239994), (108, 199995), (134, 161190), (135, 159996), (162, 133330), (180, 119997), (199, 108540), (201, 107460), (268, 80595), (270, 79998), (324, 66665), (335, 64476), (398, 54270), (402, 53730), (405, 53332), (540, 39999), (597, 36180), (603, 35820), (670, 32238), (796, 27135), (804, 26865), (810, 26666), (995, 21708), (1005, 21492), (1194, 18090), (1206, 17910), (1340, 16119), (1620, 13333), (1791, 12060), (1809, 11940), (1990, 10854), (2010, 10746), (2388, 9045), (2412, 8955), (2985, 7236), (3015, 7164), (3582, 6030), (3618, 5970), (3980, 5427), (4020, 5373)]