21126720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:452

約数の個数: 112

約数和(自身を含む): 68397120

約数和(自身を除く): 47270400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 160, 177, 192, 236, 240, 295, 320, 354, 373, 472, 480, 590, 708, 746, 885, 944, 960, 1119, 1180, 1416, 1492, 1770, 1865, 1888, 2238, 2360, 2832, 2984, 3540, 3730, 3776, 4476, 4720, 5595, 5664, 5968, 7080, 7460, 8952, 9440, 11190, 11328, 11936, 14160, 14920, 17904, 18880, 22007, 22380, 23872, 28320, 29840, 35808, 44014, 44760, 56640, 59680, 66021, 71616, 88028, 89520, 110035, 119360, 132042, 176056, 179040, 220070, 264084, 330105, 352112, 358080, 440140, 528168, 660210, 704224, 880280, 1056336, 1320420, 1408448, 1760560, 2112672, 2640840, 3521120, 4225344, 5281680, 7042240, 10563360, 21126720]

約数ペア:

[(1, 21126720), (2, 10563360), (3, 7042240), (4, 5281680), (5, 4225344), (6, 3521120), (8, 2640840), (10, 2112672), (12, 1760560), (15, 1408448), (16, 1320420), (20, 1056336), (24, 880280), (30, 704224), (32, 660210), (40, 528168), (48, 440140), (59, 358080), (60, 352112), (64, 330105), (80, 264084), (96, 220070), (118, 179040), (120, 176056), (160, 132042), (177, 119360), (192, 110035), (236, 89520), (240, 88028), (295, 71616), (320, 66021), (354, 59680), (373, 56640), (472, 44760), (480, 44014), (590, 35808), (708, 29840), (746, 28320), (885, 23872), (944, 22380), (960, 22007), (1119, 18880), (1180, 17904), (1416, 14920), (1492, 14160), (1770, 11936), (1865, 11328), (1888, 11190), (2238, 9440), (2360, 8952), (2832, 7460), (2984, 7080), (3540, 5968), (3730, 5664), (3776, 5595), (4476, 4720)]