21982400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1282

約数の個数: 84

約数和(自身を含む): 59055000

約数和(自身を除く): 37072600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1249, 1600, 1760, 2200, 2498, 3520, 4400, 4996, 6245, 8800, 9992, 12490, 13739, 17600, 19984, 24980, 27478, 31225, 39968, 49960, 54956, 62450, 68695, 79936, 99920, 109912, 124900, 137390, 199840, 219824, 249800, 274780, 343475, 399680, 439648, 499600, 549560, 686950, 879296, 999200, 1099120, 1373900, 1998400, 2198240, 2747800, 4396480, 5495600, 10991200, 21982400]

約数ペア:

[(1, 21982400), (2, 10991200), (4, 5495600), (5, 4396480), (8, 2747800), (10, 2198240), (11, 1998400), (16, 1373900), (20, 1099120), (22, 999200), (25, 879296), (32, 686950), (40, 549560), (44, 499600), (50, 439648), (55, 399680), (64, 343475), (80, 274780), (88, 249800), (100, 219824), (110, 199840), (160, 137390), (176, 124900), (200, 109912), (220, 99920), (275, 79936), (320, 68695), (352, 62450), (400, 54956), (440, 49960), (550, 39968), (704, 31225), (800, 27478), (880, 24980), (1100, 19984), (1249, 17600), (1600, 13739), (1760, 12490), (2200, 9992), (2498, 8800), (3520, 6245), (4400, 4996)]