21472020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2339}}^1$

素因数の和:2374

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 49289580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2339, 3060, 4590, 4678, 7017, 9180, 9356, 11695, 14034, 21051, 23390, 28068, 35085, 39763, 42102, 46780, 63153, 70170, 79526, 84204, 105255, 119289, 126306, 140340, 159052, 198815, 210510, 238578, 252612, 315765, 357867, 397630, 421020, 477156, 596445, 631530, 715734, 795260, 1073601, 1192890, 1263060, 1431468, 1789335, 2147202, 2385780, 3578670, 4294404, 5368005, 7157340, 10736010, 21472020]

約数ペア:

[(1, 21472020), (2, 10736010), (3, 7157340), (4, 5368005), (5, 4294404), (6, 3578670), (9, 2385780), (10, 2147202), (12, 1789335), (15, 1431468), (17, 1263060), (18, 1192890), (20, 1073601), (27, 795260), (30, 715734), (34, 631530), (36, 596445), (45, 477156), (51, 421020), (54, 397630), (60, 357867), (68, 315765), (85, 252612), (90, 238578), (102, 210510), (108, 198815), (135, 159052), (153, 140340), (170, 126306), (180, 119289), (204, 105255), (255, 84204), (270, 79526), (306, 70170), (340, 63153), (459, 46780), (510, 42102), (540, 39763), (612, 35085), (765, 28068), (918, 23390), (1020, 21051), (1530, 14034), (1836, 11695), (2295, 9356), (2339, 9180), (3060, 7017), (4590, 4678)]