21490380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2341}}^1$

素因数の和:2376

約数の個数: 96

約数和(自身を含む): 70822080

約数和(自身を除く): 49331700

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, 2341, 3060, 4590, 4682, 7023, 9180, 9364, 11705, 14046, 21069, 23410, 28092, 35115, 39797, 42138, 46820, 63207, 70230, 79594, 84276, 105345, 119391, 126414, 140460, 159188, 198985, 210690, 238782, 252828, 316035, 358173, 397970, 421380, 477564, 596955, 632070, 716346, 795940, 1074519, 1193910, 1264140, 1432692, 1790865, 2149038, 2387820, 3581730, 4298076, 5372595, 7163460, 10745190, 21490380]

約数ペア:

[(1, 21490380), (2, 10745190), (3, 7163460), (4, 5372595), (5, 4298076), (6, 3581730), (9, 2387820), (10, 2149038), (12, 1790865), (15, 1432692), (17, 1264140), (18, 1193910), (20, 1074519), (27, 795940), (30, 716346), (34, 632070), (36, 596955), (45, 477564), (51, 421380), (54, 397970), (60, 358173), (68, 316035), (85, 252828), (90, 238782), (102, 210690), (108, 198985), (135, 159188), (153, 140460), (170, 126414), (180, 119391), (204, 105345), (255, 84276), (270, 79594), (306, 70230), (340, 63207), (459, 46820), (510, 42138), (540, 39797), (612, 35115), (765, 28092), (918, 23410), (1020, 21069), (1530, 14046), (1836, 11705), (2295, 9364), (2341, 9180), (3060, 7023), (4590, 4682)]