21952480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12473}}^1$

素因数の和:12499

約数の個数: 48

約数和(自身を含む): 56582064

約数和(自身を除く): 34629584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12473, 24946, 49892, 62365, 99784, 124730, 137203, 199568, 249460, 274406, 399136, 498920, 548812, 686015, 997840, 1097624, 1372030, 1995680, 2195248, 2744060, 4390496, 5488120, 10976240, 21952480]

約数ペア:

[(1, 21952480), (2, 10976240), (4, 5488120), (5, 4390496), (8, 2744060), (10, 2195248), (11, 1995680), (16, 1372030), (20, 1097624), (22, 997840), (32, 686015), (40, 548812), (44, 498920), (55, 399136), (80, 274406), (88, 249460), (110, 199568), (160, 137203), (176, 124730), (220, 99784), (352, 62365), (440, 49892), (880, 24946), (1760, 12473)]