21939390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 43379010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 83, 89, 90, 99, 110, 135, 165, 166, 178, 198, 249, 267, 270, 297, 330, 415, 445, 495, 498, 534, 594, 747, 801, 830, 890, 913, 979, 990, 1245, 1335, 1485, 1494, 1602, 1826, 1958, 2241, 2403, 2490, 2670, 2739, 2937, 2970, 3735, 4005, 4482, 4565, 4806, 4895, 5478, 5874, 7387, 7470, 8010, 8217, 8811, 9130, 9790, 11205, 12015, 13695, 14685, 14774, 16434, 17622, 22161, 22410, 24030, 24651, 26433, 27390, 29370, 36935, 41085, 44055, 44322, 49302, 52866, 66483, 73870, 81257, 82170, 88110, 110805, 123255, 132165, 132966, 162514, 199449, 221610, 243771, 246510, 264330, 332415, 398898, 406285, 487542, 664830, 731313, 812570, 997245, 1218855, 1462626, 1994490, 2193939, 2437710, 3656565, 4387878, 7313130, 10969695, 21939390]

約数ペア:

[(1, 21939390), (2, 10969695), (3, 7313130), (5, 4387878), (6, 3656565), (9, 2437710), (10, 2193939), (11, 1994490), (15, 1462626), (18, 1218855), (22, 997245), (27, 812570), (30, 731313), (33, 664830), (45, 487542), (54, 406285), (55, 398898), (66, 332415), (83, 264330), (89, 246510), (90, 243771), (99, 221610), (110, 199449), (135, 162514), (165, 132966), (166, 132165), (178, 123255), (198, 110805), (249, 88110), (267, 82170), (270, 81257), (297, 73870), (330, 66483), (415, 52866), (445, 49302), (495, 44322), (498, 44055), (534, 41085), (594, 36935), (747, 29370), (801, 27390), (830, 26433), (890, 24651), (913, 24030), (979, 22410), (990, 22161), (1245, 17622), (1335, 16434), (1485, 14774), (1494, 14685), (1602, 13695), (1826, 12015), (1958, 11205), (2241, 9790), (2403, 9130), (2490, 8811), (2670, 8217), (2739, 8010), (2937, 7470), (2970, 7387), (3735, 5874), (4005, 5478), (4482, 4895), (4565, 4806)]