21016884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 58937088

約数和(自身を除く): 37920204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1153, 1302, 1519, 2306, 2604, 3038, 3459, 4557, 4612, 6076, 6918, 8071, 9114, 13836, 16142, 18228, 24213, 32284, 35743, 48426, 56497, 71486, 96852, 107229, 112994, 142972, 169491, 214458, 225988, 250201, 338982, 428916, 500402, 677964, 750603, 1000804, 1501206, 1751407, 3002412, 3502814, 5254221, 7005628, 10508442, 21016884]

約数ペア:

[(1, 21016884), (2, 10508442), (3, 7005628), (4, 5254221), (6, 3502814), (7, 3002412), (12, 1751407), (14, 1501206), (21, 1000804), (28, 750603), (31, 677964), (42, 500402), (49, 428916), (62, 338982), (84, 250201), (93, 225988), (98, 214458), (124, 169491), (147, 142972), (186, 112994), (196, 107229), (217, 96852), (294, 71486), (372, 56497), (434, 48426), (588, 35743), (651, 32284), (868, 24213), (1153, 18228), (1302, 16142), (1519, 13836), (2306, 9114), (2604, 8071), (3038, 6918), (3459, 6076), (4557, 4612)]