21015420504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{10007}}^1$

素因数の和:10209

約数の個数: 128

約数和(自身を含む): 58107248640

約数和(自身を除く): 37091828136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 127, 156, 159, 212, 254, 312, 318, 381, 424, 508, 636, 689, 762, 1016, 1272, 1378, 1524, 1651, 2067, 2756, 3048, 3302, 4134, 4953, 5512, 6604, 6731, 8268, 9906, 10007, 13208, 13462, 16536, 19812, 20014, 20193, 26924, 30021, 39624, 40028, 40386, 53848, 60042, 80056, 80772, 87503, 120084, 130091, 161544, 175006, 240168, 260182, 262509, 350012, 390273, 520364, 525018, 530371, 700024, 780546, 1040728, 1050036, 1060742, 1270889, 1561092, 1591113, 2100072, 2121484, 2541778, 3122184, 3182226, 3812667, 4242968, 5083556, 6364452, 6894823, 7625334, 10167112, 12728904, 13789646, 15250668, 16521557, 20684469, 27579292, 30501336, 33043114, 41368938, 49564671, 55158584, 66086228, 67357117, 82737876, 99129342, 132172456, 134714234, 165475752, 198258684, 202071351, 269428468, 396517368, 404142702, 538856936, 808285404, 875642521, 1616570808, 1751285042, 2626927563, 3502570084, 5253855126, 7005140168, 10507710252, 21015420504]

約数ペア:

[(1, 21015420504), (2, 10507710252), (3, 7005140168), (4, 5253855126), (6, 3502570084), (8, 2626927563), (12, 1751285042), (13, 1616570808), (24, 875642521), (26, 808285404), (39, 538856936), (52, 404142702), (53, 396517368), (78, 269428468), (104, 202071351), (106, 198258684), (127, 165475752), (156, 134714234), (159, 132172456), (212, 99129342), (254, 82737876), (312, 67357117), (318, 66086228), (381, 55158584), (424, 49564671), (508, 41368938), (636, 33043114), (689, 30501336), (762, 27579292), (1016, 20684469), (1272, 16521557), (1378, 15250668), (1524, 13789646), (1651, 12728904), (2067, 10167112), (2756, 7625334), (3048, 6894823), (3302, 6364452), (4134, 5083556), (4953, 4242968), (5512, 3812667), (6604, 3182226), (6731, 3122184), (8268, 2541778), (9906, 2121484), (10007, 2100072), (13208, 1591113), (13462, 1561092), (16536, 1270889), (19812, 1060742), (20014, 1050036), (20193, 1040728), (26924, 780546), (30021, 700024), (39624, 530371), (40028, 525018), (40386, 520364), (53848, 390273), (60042, 350012), (80056, 262509), (80772, 260182), (87503, 240168), (120084, 175006), (130091, 161544)]