21522340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9043}}^1$

素因数の和:9076

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 33175772

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9043, 18086, 36172, 45215, 63301, 90430, 126602, 153731, 180860, 253204, 307462, 316505, 614924, 633010, 768655, 1076117, 1266020, 1537310, 2152234, 3074620, 4304468, 5380585, 10761170, 21522340]

約数ペア:

[(1, 21522340), (2, 10761170), (4, 5380585), (5, 4304468), (7, 3074620), (10, 2152234), (14, 1537310), (17, 1266020), (20, 1076117), (28, 768655), (34, 633010), (35, 614924), (68, 316505), (70, 307462), (85, 253204), (119, 180860), (140, 153731), (170, 126602), (238, 90430), (340, 63301), (476, 45215), (595, 36172), (1190, 18086), (2380, 9043)]