21376530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33931}}^1$

素因数の和:33951

約数の個数: 48

約数和(自身を含む): 63520704

約数和(自身を除く): 42144174

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33931, 67862, 101793, 169655, 203586, 237517, 305379, 339310, 475034, 508965, 610758, 712551, 1017930, 1187585, 1425102, 1526895, 2137653, 2375170, 3053790, 3562755, 4275306, 7125510, 10688265, 21376530]

約数ペア:

[(1, 21376530), (2, 10688265), (3, 7125510), (5, 4275306), (6, 3562755), (7, 3053790), (9, 2375170), (10, 2137653), (14, 1526895), (15, 1425102), (18, 1187585), (21, 1017930), (30, 712551), (35, 610758), (42, 508965), (45, 475034), (63, 339310), (70, 305379), (90, 237517), (105, 203586), (126, 169655), (210, 101793), (315, 67862), (630, 33931)]