21522360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 66785040

約数和(自身を除く): 45262680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 97, 120, 129, 172, 194, 215, 258, 291, 344, 388, 430, 485, 516, 582, 645, 776, 860, 970, 1032, 1164, 1290, 1455, 1720, 1849, 1940, 2328, 2580, 2910, 3698, 3880, 4171, 5160, 5547, 5820, 7396, 8342, 9245, 11094, 11640, 12513, 14792, 16684, 18490, 20855, 22188, 25026, 27735, 33368, 36980, 41710, 44376, 50052, 55470, 62565, 73960, 83420, 100104, 110940, 125130, 166840, 179353, 221880, 250260, 358706, 500520, 538059, 717412, 896765, 1076118, 1434824, 1793530, 2152236, 2690295, 3587060, 4304472, 5380590, 7174120, 10761180, 21522360]

約数ペア:

[(1, 21522360), (2, 10761180), (3, 7174120), (4, 5380590), (5, 4304472), (6, 3587060), (8, 2690295), (10, 2152236), (12, 1793530), (15, 1434824), (20, 1076118), (24, 896765), (30, 717412), (40, 538059), (43, 500520), (60, 358706), (86, 250260), (97, 221880), (120, 179353), (129, 166840), (172, 125130), (194, 110940), (215, 100104), (258, 83420), (291, 73960), (344, 62565), (388, 55470), (430, 50052), (485, 44376), (516, 41710), (582, 36980), (645, 33368), (776, 27735), (860, 25026), (970, 22188), (1032, 20855), (1164, 18490), (1290, 16684), (1455, 14792), (1720, 12513), (1849, 11640), (1940, 11094), (2328, 9245), (2580, 8342), (2910, 7396), (3698, 5820), (3880, 5547), (4171, 5160)]