21674970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 60607872

約数和(自身を除く): 38932902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 37, 45, 46, 69, 74, 90, 111, 115, 138, 185, 207, 222, 230, 283, 333, 345, 370, 414, 555, 566, 666, 690, 849, 851, 1035, 1110, 1415, 1665, 1698, 1702, 2070, 2547, 2553, 2830, 3330, 4245, 4255, 5094, 5106, 6509, 7659, 8490, 8510, 10471, 12735, 12765, 13018, 15318, 19527, 20942, 25470, 25530, 31413, 32545, 38295, 39054, 52355, 58581, 62826, 65090, 76590, 94239, 97635, 104710, 117162, 157065, 188478, 195270, 240833, 292905, 314130, 471195, 481666, 585810, 722499, 942390, 1204165, 1444998, 2167497, 2408330, 3612495, 4334994, 7224990, 10837485, 21674970]

約数ペア:

[(1, 21674970), (2, 10837485), (3, 7224990), (5, 4334994), (6, 3612495), (9, 2408330), (10, 2167497), (15, 1444998), (18, 1204165), (23, 942390), (30, 722499), (37, 585810), (45, 481666), (46, 471195), (69, 314130), (74, 292905), (90, 240833), (111, 195270), (115, 188478), (138, 157065), (185, 117162), (207, 104710), (222, 97635), (230, 94239), (283, 76590), (333, 65090), (345, 62826), (370, 58581), (414, 52355), (555, 39054), (566, 38295), (666, 32545), (690, 31413), (849, 25530), (851, 25470), (1035, 20942), (1110, 19527), (1415, 15318), (1665, 13018), (1698, 12765), (1702, 12735), (2070, 10471), (2547, 8510), (2553, 8490), (2830, 7659), (3330, 6509), (4245, 5106), (4255, 5094)]