21670350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11141

約数の個数: 48

約数和(自身を含む): 57881712

約数和(自身を除く): 36211362

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11113, 22226, 33339, 55565, 66678, 111130, 144469, 166695, 277825, 288938, 333390, 433407, 555650, 722345, 833475, 866814, 1444690, 1666950, 2167035, 3611725, 4334070, 7223450, 10835175, 21670350]

約数ペア:

[(1, 21670350), (2, 10835175), (3, 7223450), (5, 4334070), (6, 3611725), (10, 2167035), (13, 1666950), (15, 1444690), (25, 866814), (26, 833475), (30, 722345), (39, 555650), (50, 433407), (65, 333390), (75, 288938), (78, 277825), (130, 166695), (150, 144469), (195, 111130), (325, 66678), (390, 55565), (650, 33339), (975, 22226), (1950, 11113)]