21698200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 54237600

約数和(自身を除く): 32539400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 53, 89, 92, 100, 106, 115, 178, 184, 200, 212, 230, 265, 356, 424, 445, 460, 530, 575, 712, 890, 920, 1060, 1150, 1219, 1325, 1780, 2047, 2120, 2225, 2300, 2438, 2650, 3560, 4094, 4450, 4600, 4717, 4876, 5300, 6095, 8188, 8900, 9434, 9752, 10235, 10600, 12190, 16376, 17800, 18868, 20470, 23585, 24380, 30475, 37736, 40940, 47170, 48760, 51175, 60950, 81880, 94340, 102350, 108491, 117925, 121900, 188680, 204700, 216982, 235850, 243800, 409400, 433964, 471700, 542455, 867928, 943400, 1084910, 2169820, 2712275, 4339640, 5424550, 10849100, 21698200]

約数ペア:

[(1, 21698200), (2, 10849100), (4, 5424550), (5, 4339640), (8, 2712275), (10, 2169820), (20, 1084910), (23, 943400), (25, 867928), (40, 542455), (46, 471700), (50, 433964), (53, 409400), (89, 243800), (92, 235850), (100, 216982), (106, 204700), (115, 188680), (178, 121900), (184, 117925), (200, 108491), (212, 102350), (230, 94340), (265, 81880), (356, 60950), (424, 51175), (445, 48760), (460, 47170), (530, 40940), (575, 37736), (712, 30475), (890, 24380), (920, 23585), (1060, 20470), (1150, 18868), (1219, 17800), (1325, 16376), (1780, 12190), (2047, 10600), (2120, 10235), (2225, 9752), (2300, 9434), (2438, 8900), (2650, 8188), (3560, 6095), (4094, 5300), (4450, 4876), (4600, 4717)]