21801000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 75366720

約数和(自身を除く): 53565720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 43, 50, 52, 60, 65, 75, 78, 86, 100, 104, 120, 125, 129, 130, 150, 156, 169, 172, 195, 200, 215, 250, 258, 260, 300, 312, 325, 338, 344, 375, 390, 430, 500, 507, 516, 520, 559, 600, 645, 650, 676, 750, 780, 845, 860, 975, 1000, 1014, 1032, 1075, 1118, 1290, 1300, 1352, 1500, 1560, 1625, 1677, 1690, 1720, 1950, 2028, 2150, 2236, 2535, 2580, 2600, 2795, 3000, 3225, 3250, 3354, 3380, 3900, 4056, 4225, 4300, 4472, 4875, 5070, 5160, 5375, 5590, 6450, 6500, 6708, 6760, 7267, 7800, 8385, 8450, 8600, 9750, 10140, 10750, 11180, 12675, 12900, 13000, 13416, 13975, 14534, 16125, 16770, 16900, 19500, 20280, 21125, 21500, 21801, 22360, 25350, 25800, 27950, 29068, 32250, 33540, 33800, 36335, 39000, 41925, 42250, 43000, 43602, 50700, 55900, 58136, 63375, 64500, 67080, 69875, 72670, 83850, 84500, 87204, 101400, 109005, 111800, 126750, 129000, 139750, 145340, 167700, 169000, 174408, 181675, 209625, 218010, 253500, 279500, 290680, 335400, 363350, 419250, 436020, 507000, 545025, 559000, 726700, 838500, 872040, 908375, 1090050, 1453400, 1677000, 1816750, 2180100, 2725125, 3633500, 4360200, 5450250, 7267000, 10900500, 21801000]

約数ペア:

[(1, 21801000), (2, 10900500), (3, 7267000), (4, 5450250), (5, 4360200), (6, 3633500), (8, 2725125), (10, 2180100), (12, 1816750), (13, 1677000), (15, 1453400), (20, 1090050), (24, 908375), (25, 872040), (26, 838500), (30, 726700), (39, 559000), (40, 545025), (43, 507000), (50, 436020), (52, 419250), (60, 363350), (65, 335400), (75, 290680), (78, 279500), (86, 253500), (100, 218010), (104, 209625), (120, 181675), (125, 174408), (129, 169000), (130, 167700), (150, 145340), (156, 139750), (169, 129000), (172, 126750), (195, 111800), (200, 109005), (215, 101400), (250, 87204), (258, 84500), (260, 83850), (300, 72670), (312, 69875), (325, 67080), (338, 64500), (344, 63375), (375, 58136), (390, 55900), (430, 50700), (500, 43602), (507, 43000), (516, 42250), (520, 41925), (559, 39000), (600, 36335), (645, 33800), (650, 33540), (676, 32250), (750, 29068), (780, 27950), (845, 25800), (860, 25350), (975, 22360), (1000, 21801), (1014, 21500), (1032, 21125), (1075, 20280), (1118, 19500), (1290, 16900), (1300, 16770), (1352, 16125), (1500, 14534), (1560, 13975), (1625, 13416), (1677, 13000), (1690, 12900), (1720, 12675), (1950, 11180), (2028, 10750), (2150, 10140), (2236, 9750), (2535, 8600), (2580, 8450), (2600, 8385), (2795, 7800), (3000, 7267), (3225, 6760), (3250, 6708), (3354, 6500), (3380, 6450), (3900, 5590), (4056, 5375), (4225, 5160), (4300, 5070), (4472, 4875)]