21590136

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 42432264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 136, 153, 186, 204, 248, 279, 306, 372, 408, 527, 558, 569, 612, 744, 1054, 1116, 1138, 1224, 1581, 1707, 2108, 2232, 2276, 3162, 3414, 4216, 4552, 4743, 5121, 6324, 6828, 9486, 9673, 10242, 12648, 13656, 17639, 18972, 19346, 20484, 29019, 35278, 37944, 38692, 40968, 52917, 58038, 70556, 77384, 87057, 105834, 116076, 141112, 158751, 174114, 211668, 232152, 299863, 317502, 348228, 423336, 599726, 635004, 696456, 899589, 1199452, 1270008, 1799178, 2398904, 2698767, 3598356, 5397534, 7196712, 10795068, 21590136]

約数ペア:

[(1, 21590136), (2, 10795068), (3, 7196712), (4, 5397534), (6, 3598356), (8, 2698767), (9, 2398904), (12, 1799178), (17, 1270008), (18, 1199452), (24, 899589), (31, 696456), (34, 635004), (36, 599726), (51, 423336), (62, 348228), (68, 317502), (72, 299863), (93, 232152), (102, 211668), (124, 174114), (136, 158751), (153, 141112), (186, 116076), (204, 105834), (248, 87057), (279, 77384), (306, 70556), (372, 58038), (408, 52917), (527, 40968), (558, 38692), (569, 37944), (612, 35278), (744, 29019), (1054, 20484), (1116, 19346), (1138, 18972), (1224, 17639), (1581, 13656), (1707, 12648), (2108, 10242), (2232, 9673), (2276, 9486), (3162, 6828), (3414, 6324), (4216, 5121), (4552, 4743)]