21379410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6091}}^1$

素因数の和:6120

約数の個数: 64

約数和(自身を含む): 61407360

約数和(自身を除く): 40027950

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 6091, 12182, 18273, 30455, 36546, 54819, 60910, 79183, 91365, 109638, 158366, 164457, 182730, 237549, 274095, 328914, 395915, 475098, 548190, 712647, 791830, 822285, 1187745, 1425294, 1644570, 2137941, 2375490, 3563235, 4275882, 7126470, 10689705, 21379410]

約数ペア:

[(1, 21379410), (2, 10689705), (3, 7126470), (5, 4275882), (6, 3563235), (9, 2375490), (10, 2137941), (13, 1644570), (15, 1425294), (18, 1187745), (26, 822285), (27, 791830), (30, 712647), (39, 548190), (45, 475098), (54, 395915), (65, 328914), (78, 274095), (90, 237549), (117, 182730), (130, 164457), (135, 158366), (195, 109638), (234, 91365), (270, 79183), (351, 60910), (390, 54819), (585, 36546), (702, 30455), (1170, 18273), (1755, 12182), (3510, 6091)]