21300435

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 20430765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 117, 135, 159, 195, 229, 265, 351, 477, 585, 687, 689, 795, 1145, 1431, 1755, 2061, 2067, 2385, 2977, 3435, 3445, 6183, 6201, 7155, 8931, 10305, 10335, 12137, 14885, 18603, 26793, 30915, 31005, 36411, 44655, 60685, 80379, 93015, 109233, 133965, 157781, 182055, 327699, 401895, 473343, 546165, 788905, 1420029, 1638495, 2366715, 4260087, 7100145, 21300435]

約数ペア:

[(1, 21300435), (3, 7100145), (5, 4260087), (9, 2366715), (13, 1638495), (15, 1420029), (27, 788905), (39, 546165), (45, 473343), (53, 401895), (65, 327699), (117, 182055), (135, 157781), (159, 133965), (195, 109233), (229, 93015), (265, 80379), (351, 60685), (477, 44655), (585, 36411), (687, 31005), (689, 30915), (795, 26793), (1145, 18603), (1431, 14885), (1755, 12137), (2061, 10335), (2067, 10305), (2385, 8931), (2977, 7155), (3435, 6201), (3445, 6183)]