21337530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 32506950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 47, 74, 94, 111, 141, 185, 222, 235, 282, 370, 409, 470, 555, 705, 818, 1110, 1227, 1410, 1739, 2045, 2454, 3478, 4090, 5217, 6135, 8695, 10434, 12270, 15133, 17390, 19223, 26085, 30266, 38446, 45399, 52170, 57669, 75665, 90798, 96115, 115338, 151330, 192230, 226995, 288345, 453990, 576690, 711251, 1422502, 2133753, 3556255, 4267506, 7112510, 10668765, 21337530]

約数ペア:

[(1, 21337530), (2, 10668765), (3, 7112510), (5, 4267506), (6, 3556255), (10, 2133753), (15, 1422502), (30, 711251), (37, 576690), (47, 453990), (74, 288345), (94, 226995), (111, 192230), (141, 151330), (185, 115338), (222, 96115), (235, 90798), (282, 75665), (370, 57669), (409, 52170), (470, 45399), (555, 38446), (705, 30266), (818, 26085), (1110, 19223), (1227, 17390), (1410, 15133), (1739, 12270), (2045, 10434), (2454, 8695), (3478, 6135), (4090, 5217)]