21512392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6607}}^1$

素因数の和:6661

約数の個数: 32

約数和(自身を含む): 45198720

約数和(自身を除く): 23686328

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6607, 13214, 26428, 52856, 72677, 145354, 244459, 290708, 488918, 581416, 977836, 1955672, 2689049, 5378098, 10756196, 21512392]

約数ペア:

[(1, 21512392), (2, 10756196), (4, 5378098), (8, 2689049), (11, 1955672), (22, 977836), (37, 581416), (44, 488918), (74, 290708), (88, 244459), (148, 145354), (296, 72677), (407, 52856), (814, 26428), (1628, 13214), (3256, 6607)]