21294684

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 57487920

約数和(自身を除く): 36193236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 73, 74, 108, 111, 146, 148, 219, 222, 292, 333, 438, 444, 657, 666, 876, 999, 1314, 1332, 1971, 1998, 2628, 2701, 3942, 3996, 5329, 5402, 7884, 8103, 10658, 10804, 15987, 16206, 21316, 24309, 31974, 32412, 47961, 48618, 63948, 72927, 95922, 97236, 143883, 145854, 191844, 197173, 287766, 291708, 394346, 575532, 591519, 788692, 1183038, 1774557, 2366076, 3549114, 5323671, 7098228, 10647342, 21294684]

約数ペア:

[(1, 21294684), (2, 10647342), (3, 7098228), (4, 5323671), (6, 3549114), (9, 2366076), (12, 1774557), (18, 1183038), (27, 788692), (36, 591519), (37, 575532), (54, 394346), (73, 291708), (74, 287766), (108, 197173), (111, 191844), (146, 145854), (148, 143883), (219, 97236), (222, 95922), (292, 72927), (333, 63948), (438, 48618), (444, 47961), (657, 32412), (666, 31974), (876, 24309), (999, 21316), (1314, 16206), (1332, 15987), (1971, 10804), (1998, 10658), (2628, 8103), (2701, 7884), (3942, 5402), (3996, 5329)]