21079500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 70447104

約数和(自身を除く): 49367604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 47, 50, 52, 60, 65, 69, 75, 78, 92, 94, 100, 115, 125, 130, 138, 141, 150, 156, 188, 195, 230, 235, 250, 260, 276, 282, 299, 300, 325, 345, 375, 390, 460, 470, 500, 564, 575, 598, 611, 650, 690, 705, 750, 780, 897, 940, 975, 1081, 1150, 1175, 1196, 1222, 1300, 1380, 1410, 1495, 1500, 1625, 1725, 1794, 1833, 1950, 2162, 2300, 2350, 2444, 2820, 2875, 2990, 3055, 3243, 3250, 3450, 3525, 3588, 3666, 3900, 4324, 4485, 4700, 4875, 5405, 5750, 5875, 5980, 6110, 6486, 6500, 6900, 7050, 7332, 7475, 8625, 8970, 9165, 9750, 10810, 11500, 11750, 12220, 12972, 14053, 14100, 14950, 15275, 16215, 17250, 17625, 17940, 18330, 19500, 21620, 22425, 23500, 27025, 28106, 29900, 30550, 32430, 34500, 35250, 36660, 37375, 42159, 44850, 45825, 54050, 56212, 61100, 64860, 70265, 70500, 74750, 76375, 81075, 84318, 89700, 91650, 108100, 112125, 135125, 140530, 149500, 152750, 162150, 168636, 183300, 210795, 224250, 229125, 270250, 281060, 305500, 324300, 351325, 405375, 421590, 448500, 458250, 540500, 702650, 810750, 843180, 916500, 1053975, 1405300, 1621500, 1756625, 2107950, 3513250, 4215900, 5269875, 7026500, 10539750, 21079500]

約数ペア:

[(1, 21079500), (2, 10539750), (3, 7026500), (4, 5269875), (5, 4215900), (6, 3513250), (10, 2107950), (12, 1756625), (13, 1621500), (15, 1405300), (20, 1053975), (23, 916500), (25, 843180), (26, 810750), (30, 702650), (39, 540500), (46, 458250), (47, 448500), (50, 421590), (52, 405375), (60, 351325), (65, 324300), (69, 305500), (75, 281060), (78, 270250), (92, 229125), (94, 224250), (100, 210795), (115, 183300), (125, 168636), (130, 162150), (138, 152750), (141, 149500), (150, 140530), (156, 135125), (188, 112125), (195, 108100), (230, 91650), (235, 89700), (250, 84318), (260, 81075), (276, 76375), (282, 74750), (299, 70500), (300, 70265), (325, 64860), (345, 61100), (375, 56212), (390, 54050), (460, 45825), (470, 44850), (500, 42159), (564, 37375), (575, 36660), (598, 35250), (611, 34500), (650, 32430), (690, 30550), (705, 29900), (750, 28106), (780, 27025), (897, 23500), (940, 22425), (975, 21620), (1081, 19500), (1150, 18330), (1175, 17940), (1196, 17625), (1222, 17250), (1300, 16215), (1380, 15275), (1410, 14950), (1495, 14100), (1500, 14053), (1625, 12972), (1725, 12220), (1794, 11750), (1833, 11500), (1950, 10810), (2162, 9750), (2300, 9165), (2350, 8970), (2444, 8625), (2820, 7475), (2875, 7332), (2990, 7050), (3055, 6900), (3243, 6500), (3250, 6486), (3450, 6110), (3525, 5980), (3588, 5875), (3666, 5750), (3900, 5405), (4324, 4875), (4485, 4700)]