21090912

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39227808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 76, 93, 96, 114, 124, 152, 186, 228, 248, 304, 372, 373, 456, 496, 589, 608, 744, 746, 912, 992, 1119, 1178, 1488, 1492, 1767, 1824, 2238, 2356, 2976, 2984, 3534, 4476, 4712, 5968, 7068, 7087, 8952, 9424, 11563, 11936, 14136, 14174, 17904, 18848, 21261, 23126, 28272, 28348, 34689, 35808, 42522, 46252, 56544, 56696, 69378, 85044, 92504, 113392, 138756, 170088, 185008, 219697, 226784, 277512, 340176, 370016, 439394, 555024, 659091, 680352, 878788, 1110048, 1318182, 1757576, 2636364, 3515152, 5272728, 7030304, 10545456, 21090912]

約数ペア:

[(1, 21090912), (2, 10545456), (3, 7030304), (4, 5272728), (6, 3515152), (8, 2636364), (12, 1757576), (16, 1318182), (19, 1110048), (24, 878788), (31, 680352), (32, 659091), (38, 555024), (48, 439394), (57, 370016), (62, 340176), (76, 277512), (93, 226784), (96, 219697), (114, 185008), (124, 170088), (152, 138756), (186, 113392), (228, 92504), (248, 85044), (304, 69378), (372, 56696), (373, 56544), (456, 46252), (496, 42522), (589, 35808), (608, 34689), (744, 28348), (746, 28272), (912, 23126), (992, 21261), (1119, 18848), (1178, 17904), (1488, 14174), (1492, 14136), (1767, 11936), (1824, 11563), (2238, 9424), (2356, 8952), (2976, 7087), (2984, 7068), (3534, 5968), (4476, 4712)]