21576060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 75714912

約数和(自身を除く): 54138852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 641, 660, 748, 765, 935, 990, 1020, 1122, 1282, 1530, 1683, 1870, 1923, 1980, 2244, 2564, 2805, 3060, 3205, 3366, 3740, 3846, 5610, 5769, 6410, 6732, 7051, 7692, 8415, 9615, 10897, 11220, 11538, 12820, 14102, 16830, 19230, 21153, 21794, 23076, 28204, 28845, 32691, 33660, 35255, 38460, 42306, 43588, 54485, 57690, 63459, 65382, 70510, 84612, 98073, 105765, 108970, 115380, 119867, 126918, 130764, 141020, 163455, 196146, 211530, 217940, 239734, 253836, 317295, 326910, 359601, 392292, 423060, 479468, 490365, 599335, 634590, 653820, 719202, 980730, 1078803, 1198670, 1269180, 1438404, 1798005, 1961460, 2157606, 2397340, 3596010, 4315212, 5394015, 7192020, 10788030, 21576060]

約数ペア:

[(1, 21576060), (2, 10788030), (3, 7192020), (4, 5394015), (5, 4315212), (6, 3596010), (9, 2397340), (10, 2157606), (11, 1961460), (12, 1798005), (15, 1438404), (17, 1269180), (18, 1198670), (20, 1078803), (22, 980730), (30, 719202), (33, 653820), (34, 634590), (36, 599335), (44, 490365), (45, 479468), (51, 423060), (55, 392292), (60, 359601), (66, 326910), (68, 317295), (85, 253836), (90, 239734), (99, 217940), (102, 211530), (110, 196146), (132, 163455), (153, 141020), (165, 130764), (170, 126918), (180, 119867), (187, 115380), (198, 108970), (204, 105765), (220, 98073), (255, 84612), (306, 70510), (330, 65382), (340, 63459), (374, 57690), (396, 54485), (495, 43588), (510, 42306), (561, 38460), (612, 35255), (641, 33660), (660, 32691), (748, 28845), (765, 28204), (935, 23076), (990, 21794), (1020, 21153), (1122, 19230), (1282, 16830), (1530, 14102), (1683, 12820), (1870, 11538), (1923, 11220), (1980, 10897), (2244, 9615), (2564, 8415), (2805, 7692), (3060, 7051), (3205, 6732), (3366, 6410), (3740, 5769), (3846, 5610)]