21896230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 22229978

約数列:

[1, 2, 5, 10, 23, 31, 37, 46, 62, 74, 83, 115, 155, 166, 185, 230, 310, 370, 415, 713, 830, 851, 1147, 1426, 1702, 1909, 2294, 2573, 3071, 3565, 3818, 4255, 5146, 5735, 6142, 7130, 8510, 9545, 11470, 12865, 15355, 19090, 25730, 26381, 30710, 52762, 59179, 70633, 95201, 118358, 131905, 141266, 190402, 263810, 295895, 353165, 476005, 591790, 706330, 952010, 2189623, 4379246, 10948115, 21896230]

約数ペア:

[(1, 21896230), (2, 10948115), (5, 4379246), (10, 2189623), (23, 952010), (31, 706330), (37, 591790), (46, 476005), (62, 353165), (74, 295895), (83, 263810), (115, 190402), (155, 141266), (166, 131905), (185, 118358), (230, 95201), (310, 70633), (370, 59179), (415, 52762), (713, 30710), (830, 26381), (851, 25730), (1147, 19090), (1426, 15355), (1702, 12865), (1909, 11470), (2294, 9545), (2573, 8510), (3071, 7130), (3565, 6142), (3818, 5735), (4255, 5146)]