21467040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6389}}^1$

素因数の和:6414

約数の個数: 96

約数和(自身を含む): 77293440

約数和(自身を除く): 55826400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6389, 12778, 19167, 25556, 31945, 38334, 44723, 51112, 63890, 76668, 89446, 95835, 102224, 127780, 134169, 153336, 178892, 191670, 204448, 223615, 255560, 268338, 306672, 357784, 383340, 447230, 511120, 536676, 613344, 670845, 715568, 766680, 894460, 1022240, 1073352, 1341690, 1431136, 1533360, 1788920, 2146704, 2683380, 3066720, 3577840, 4293408, 5366760, 7155680, 10733520, 21467040]

約数ペア:

[(1, 21467040), (2, 10733520), (3, 7155680), (4, 5366760), (5, 4293408), (6, 3577840), (7, 3066720), (8, 2683380), (10, 2146704), (12, 1788920), (14, 1533360), (15, 1431136), (16, 1341690), (20, 1073352), (21, 1022240), (24, 894460), (28, 766680), (30, 715568), (32, 670845), (35, 613344), (40, 536676), (42, 511120), (48, 447230), (56, 383340), (60, 357784), (70, 306672), (80, 268338), (84, 255560), (96, 223615), (105, 204448), (112, 191670), (120, 178892), (140, 153336), (160, 134169), (168, 127780), (210, 102224), (224, 95835), (240, 89446), (280, 76668), (336, 63890), (420, 51112), (480, 44723), (560, 38334), (672, 31945), (840, 25556), (1120, 19167), (1680, 12778), (3360, 6389)]