21352680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1200

約数の個数: 128

約数和(自身を含む): 75427200

約数和(自身を除く): 54074520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1163, 1224, 1530, 1836, 2040, 2295, 2326, 3060, 3489, 3672, 4590, 4652, 5815, 6120, 6978, 9180, 9304, 10467, 11630, 13956, 17445, 18360, 19771, 20934, 23260, 27912, 31401, 34890, 39542, 41868, 46520, 52335, 59313, 62802, 69780, 79084, 83736, 98855, 104670, 118626, 125604, 139560, 157005, 158168, 177939, 197710, 209340, 237252, 251208, 296565, 314010, 355878, 395420, 418680, 474504, 533817, 593130, 628020, 711756, 790840, 889695, 1067634, 1186260, 1256040, 1423512, 1779390, 2135268, 2372520, 2669085, 3558780, 4270536, 5338170, 7117560, 10676340, 21352680]

約数ペア:

[(1, 21352680), (2, 10676340), (3, 7117560), (4, 5338170), (5, 4270536), (6, 3558780), (8, 2669085), (9, 2372520), (10, 2135268), (12, 1779390), (15, 1423512), (17, 1256040), (18, 1186260), (20, 1067634), (24, 889695), (27, 790840), (30, 711756), (34, 628020), (36, 593130), (40, 533817), (45, 474504), (51, 418680), (54, 395420), (60, 355878), (68, 314010), (72, 296565), (85, 251208), (90, 237252), (102, 209340), (108, 197710), (120, 177939), (135, 158168), (136, 157005), (153, 139560), (170, 125604), (180, 118626), (204, 104670), (216, 98855), (255, 83736), (270, 79084), (306, 69780), (340, 62802), (360, 59313), (408, 52335), (459, 46520), (510, 41868), (540, 39542), (612, 34890), (680, 31401), (765, 27912), (918, 23260), (1020, 20934), (1080, 19771), (1163, 18360), (1224, 17445), (1530, 13956), (1836, 11630), (2040, 10467), (2295, 9304), (2326, 9180), (3060, 6978), (3489, 6120), (3672, 5815), (4590, 4652)]