21099000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 71023680

約数和(自身を除く): 49924680

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, 541, 600, 650, 750, 780, 975, 1000, 1082, 1300, 1500, 1560, 1623, 1625, 1950, 2164, 2600, 2705, 3000, 3246, 3250, 3900, 4328, 4875, 5410, 6492, 6500, 7033, 7800, 8115, 9750, 10820, 12984, 13000, 13525, 14066, 16230, 19500, 21099, 21640, 27050, 28132, 32460, 35165, 39000, 40575, 42198, 54100, 56264, 64920, 67625, 70330, 81150, 84396, 105495, 108200, 135250, 140660, 162300, 168792, 175825, 202875, 210990, 270500, 281320, 324600, 351650, 405750, 421980, 527475, 541000, 703300, 811500, 843960, 879125, 1054950, 1406600, 1623000, 1758250, 2109900, 2637375, 3516500, 4219800, 5274750, 7033000, 10549500, 21099000]

約数ペア:

[(1, 21099000), (2, 10549500), (3, 7033000), (4, 5274750), (5, 4219800), (6, 3516500), (8, 2637375), (10, 2109900), (12, 1758250), (13, 1623000), (15, 1406600), (20, 1054950), (24, 879125), (25, 843960), (26, 811500), (30, 703300), (39, 541000), (40, 527475), (50, 421980), (52, 405750), (60, 351650), (65, 324600), (75, 281320), (78, 270500), (100, 210990), (104, 202875), (120, 175825), (125, 168792), (130, 162300), (150, 140660), (156, 135250), (195, 108200), (200, 105495), (250, 84396), (260, 81150), (300, 70330), (312, 67625), (325, 64920), (375, 56264), (390, 54100), (500, 42198), (520, 40575), (541, 39000), (600, 35165), (650, 32460), (750, 28132), (780, 27050), (975, 21640), (1000, 21099), (1082, 19500), (1300, 16230), (1500, 14066), (1560, 13525), (1623, 13000), (1625, 12984), (1950, 10820), (2164, 9750), (2600, 8115), (2705, 7800), (3000, 7033), (3246, 6500), (3250, 6492), (3900, 5410), (4328, 4875)]