21903195496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{132541}}^1$

素因数の和:132794

約数の個数: 64

約数和(自身を含む): 50768887680

約数和(自身を除く): 28865692184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 227, 364, 454, 728, 908, 1589, 1816, 2951, 3178, 5902, 6356, 11804, 12712, 20657, 23608, 41314, 82628, 132541, 165256, 265082, 530164, 927787, 1060328, 1723033, 1855574, 3446066, 3711148, 6892132, 7422296, 12061231, 13784264, 24122462, 30086807, 48244924, 60173614, 96489848, 120347228, 210607649, 240694456, 391128491, 421215298, 782256982, 842430596, 1564513964, 1684861192, 2737899437, 3129027928, 5475798874, 10951597748, 21903195496]

約数ペア:

[(1, 21903195496), (2, 10951597748), (4, 5475798874), (7, 3129027928), (8, 2737899437), (13, 1684861192), (14, 1564513964), (26, 842430596), (28, 782256982), (52, 421215298), (56, 391128491), (91, 240694456), (104, 210607649), (182, 120347228), (227, 96489848), (364, 60173614), (454, 48244924), (728, 30086807), (908, 24122462), (1589, 13784264), (1816, 12061231), (2951, 7422296), (3178, 6892132), (5902, 3711148), (6356, 3446066), (11804, 1855574), (12712, 1723033), (20657, 1060328), (23608, 927787), (41314, 530164), (82628, 265082), (132541, 165256)]