21880944

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 42882768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 53, 61, 72, 94, 106, 122, 141, 144, 159, 183, 188, 212, 244, 282, 318, 366, 376, 423, 424, 477, 488, 549, 564, 636, 732, 752, 846, 848, 954, 976, 1098, 1128, 1272, 1464, 1692, 1908, 2196, 2256, 2491, 2544, 2867, 2928, 3233, 3384, 3816, 4392, 4982, 5734, 6466, 6768, 7473, 7632, 8601, 8784, 9699, 9964, 11468, 12932, 14946, 17202, 19398, 19928, 22419, 22936, 25803, 25864, 29097, 29892, 34404, 38796, 39856, 44838, 45872, 51606, 51728, 58194, 59784, 68808, 77592, 89676, 103212, 116388, 119568, 137616, 151951, 155184, 179352, 206424, 232776, 303902, 358704, 412848, 455853, 465552, 607804, 911706, 1215608, 1367559, 1823412, 2431216, 2735118, 3646824, 5470236, 7293648, 10940472, 21880944]

約数ペア:

[(1, 21880944), (2, 10940472), (3, 7293648), (4, 5470236), (6, 3646824), (8, 2735118), (9, 2431216), (12, 1823412), (16, 1367559), (18, 1215608), (24, 911706), (36, 607804), (47, 465552), (48, 455853), (53, 412848), (61, 358704), (72, 303902), (94, 232776), (106, 206424), (122, 179352), (141, 155184), (144, 151951), (159, 137616), (183, 119568), (188, 116388), (212, 103212), (244, 89676), (282, 77592), (318, 68808), (366, 59784), (376, 58194), (423, 51728), (424, 51606), (477, 45872), (488, 44838), (549, 39856), (564, 38796), (636, 34404), (732, 29892), (752, 29097), (846, 25864), (848, 25803), (954, 22936), (976, 22419), (1098, 19928), (1128, 19398), (1272, 17202), (1464, 14946), (1692, 12932), (1908, 11468), (2196, 9964), (2256, 9699), (2491, 8784), (2544, 8601), (2867, 7632), (2928, 7473), (3233, 6768), (3384, 6466), (3816, 5734), (4392, 4982)]