21564060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{51343}}^1$

素因数の和:51362

約数の個数: 48

約数和(自身を含む): 69006336

約数和(自身を除く): 47442276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 51343, 102686, 154029, 205372, 256715, 308058, 359401, 513430, 616116, 718802, 770145, 1026860, 1078203, 1437604, 1540290, 1797005, 2156406, 3080580, 3594010, 4312812, 5391015, 7188020, 10782030, 21564060]

約数ペア:

[(1, 21564060), (2, 10782030), (3, 7188020), (4, 5391015), (5, 4312812), (6, 3594010), (7, 3080580), (10, 2156406), (12, 1797005), (14, 1540290), (15, 1437604), (20, 1078203), (21, 1026860), (28, 770145), (30, 718802), (35, 616116), (42, 513430), (60, 359401), (70, 308058), (84, 256715), (105, 205372), (140, 154029), (210, 102686), (420, 51343)]