21361728

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 112

約数和(自身を含む): 60537344

約数和(自身を除く): 39175616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 64, 74, 93, 96, 97, 111, 124, 148, 186, 192, 194, 222, 248, 291, 296, 372, 388, 444, 496, 582, 592, 744, 776, 888, 992, 1147, 1164, 1184, 1488, 1552, 1776, 1984, 2294, 2328, 2368, 2976, 3007, 3104, 3441, 3552, 3589, 4588, 4656, 5952, 6014, 6208, 6882, 7104, 7178, 9021, 9176, 9312, 10767, 12028, 13764, 14356, 18042, 18352, 18624, 21534, 24056, 27528, 28712, 36084, 36704, 43068, 48112, 55056, 57424, 72168, 73408, 86136, 96224, 110112, 111259, 114848, 144336, 172272, 192448, 220224, 222518, 229696, 288672, 333777, 344544, 445036, 577344, 667554, 689088, 890072, 1335108, 1780144, 2670216, 3560288, 5340432, 7120576, 10680864, 21361728]

約数ペア:

[(1, 21361728), (2, 10680864), (3, 7120576), (4, 5340432), (6, 3560288), (8, 2670216), (12, 1780144), (16, 1335108), (24, 890072), (31, 689088), (32, 667554), (37, 577344), (48, 445036), (62, 344544), (64, 333777), (74, 288672), (93, 229696), (96, 222518), (97, 220224), (111, 192448), (124, 172272), (148, 144336), (186, 114848), (192, 111259), (194, 110112), (222, 96224), (248, 86136), (291, 73408), (296, 72168), (372, 57424), (388, 55056), (444, 48112), (496, 43068), (582, 36704), (592, 36084), (744, 28712), (776, 27528), (888, 24056), (992, 21534), (1147, 18624), (1164, 18352), (1184, 18042), (1488, 14356), (1552, 13764), (1776, 12028), (1984, 10767), (2294, 9312), (2328, 9176), (2368, 9021), (2976, 7178), (3007, 7104), (3104, 6882), (3441, 6208), (3552, 6014), (3589, 5952), (4588, 4656)]