21154368

素因数分解:

$2^6\times 3^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 56327040

約数和(自身を除く): 35172672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 239, 461, 478, 717, 922, 956, 1383, 1434, 1844, 1912, 2766, 2868, 3688, 3824, 5532, 5736, 7376, 7648, 11064, 11472, 14752, 15296, 22128, 22944, 29504, 44256, 45888, 88512, 110179, 220358, 330537, 440716, 661074, 881432, 1322148, 1762864, 2644296, 3525728, 5288592, 7051456, 10577184, 21154368]

約数ペア:

[(1, 21154368), (2, 10577184), (3, 7051456), (4, 5288592), (6, 3525728), (8, 2644296), (12, 1762864), (16, 1322148), (24, 881432), (32, 661074), (48, 440716), (64, 330537), (96, 220358), (192, 110179), (239, 88512), (461, 45888), (478, 44256), (717, 29504), (922, 22944), (956, 22128), (1383, 15296), (1434, 14752), (1844, 11472), (1912, 11064), (2766, 7648), (2868, 7376), (3688, 5736), (3824, 5532)]