21000474153388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1\times {\mathrm{7499}}^1$

素因数の和:9751

約数の個数: 96

約数和(自身を含む): 38851747200000

約数和(自身を除く): 17851273046612

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 239, 478, 956, 1517, 1931, 3034, 3862, 6068, 7499, 7724, 8843, 9799, 14998, 17686, 19598, 29996, 35372, 39196, 71447, 79171, 142894, 158342, 277463, 285788, 307459, 316684, 362563, 461509, 554926, 614918, 725126, 923018, 1109852, 1229836, 1450252, 1792261, 1846036, 2929327, 3584522, 5858654, 7169044, 11375983, 11717308, 14480569, 17075833, 18921869, 22751966, 28961138, 34151666, 37843738, 45503932, 57922276, 66313657, 68303332, 73482701, 75687476, 132627314, 146965402, 265254628, 293930804, 535781053, 593703329, 700109153, 1071562106, 1187406658, 1400218306, 2143124212, 2374813316, 2718859937, 2800436612, 3460855991, 5437719874, 6921711982, 10875439748, 13843423964, 21967023173, 43934046346, 87868092692, 128051671667, 141895095631, 256103343334, 283790191262, 512206686668, 567580382524, 5250118538347, 10500237076694, 21000474153388]

約数ペア:

[(1, 21000474153388), (2, 10500237076694), (4, 5250118538347), (37, 567580382524), (41, 512206686668), (74, 283790191262), (82, 256103343334), (148, 141895095631), (164, 128051671667), (239, 87868092692), (478, 43934046346), (956, 21967023173), (1517, 13843423964), (1931, 10875439748), (3034, 6921711982), (3862, 5437719874), (6068, 3460855991), (7499, 2800436612), (7724, 2718859937), (8843, 2374813316), (9799, 2143124212), (14998, 1400218306), (17686, 1187406658), (19598, 1071562106), (29996, 700109153), (35372, 593703329), (39196, 535781053), (71447, 293930804), (79171, 265254628), (142894, 146965402), (158342, 132627314), (277463, 75687476), (285788, 73482701), (307459, 68303332), (316684, 66313657), (362563, 57922276), (461509, 45503932), (554926, 37843738), (614918, 34151666), (725126, 28961138), (923018, 22751966), (1109852, 18921869), (1229836, 17075833), (1450252, 14480569), (1792261, 11717308), (1846036, 11375983), (2929327, 7169044), (3584522, 5858654)]