21333000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:584

約数の個数: 128

約数和(自身を含む): 71809920

約数和(自身を除く): 50476920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 547, 600, 650, 750, 780, 975, 1000, 1094, 1300, 1500, 1560, 1625, 1641, 1950, 2188, 2600, 2735, 3000, 3250, 3282, 3900, 4376, 4875, 5470, 6500, 6564, 7111, 7800, 8205, 9750, 10940, 13000, 13128, 13675, 14222, 16410, 19500, 21333, 21880, 27350, 28444, 32820, 35555, 39000, 41025, 42666, 54700, 56888, 65640, 68375, 71110, 82050, 85332, 106665, 109400, 136750, 142220, 164100, 170664, 177775, 205125, 213330, 273500, 284440, 328200, 355550, 410250, 426660, 533325, 547000, 711100, 820500, 853320, 888875, 1066650, 1422200, 1641000, 1777750, 2133300, 2666625, 3555500, 4266600, 5333250, 7111000, 10666500, 21333000]

約数ペア:

[(1, 21333000), (2, 10666500), (3, 7111000), (4, 5333250), (5, 4266600), (6, 3555500), (8, 2666625), (10, 2133300), (12, 1777750), (13, 1641000), (15, 1422200), (20, 1066650), (24, 888875), (25, 853320), (26, 820500), (30, 711100), (39, 547000), (40, 533325), (50, 426660), (52, 410250), (60, 355550), (65, 328200), (75, 284440), (78, 273500), (100, 213330), (104, 205125), (120, 177775), (125, 170664), (130, 164100), (150, 142220), (156, 136750), (195, 109400), (200, 106665), (250, 85332), (260, 82050), (300, 71110), (312, 68375), (325, 65640), (375, 56888), (390, 54700), (500, 42666), (520, 41025), (547, 39000), (600, 35555), (650, 32820), (750, 28444), (780, 27350), (975, 21880), (1000, 21333), (1094, 19500), (1300, 16410), (1500, 14222), (1560, 13675), (1625, 13128), (1641, 13000), (1950, 10940), (2188, 9750), (2600, 8205), (2735, 7800), (3000, 7111), (3250, 6564), (3282, 6500), (3900, 5470), (4376, 4875)]