21986999940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{116741}}^1$

素因数の和:116869

約数の個数: 96

約数和(自身を含む): 63858807936

約数和(自身を除く): 41871807996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 73, 86, 129, 146, 172, 215, 219, 258, 292, 365, 430, 438, 516, 645, 730, 860, 876, 1095, 1290, 1460, 2190, 2580, 3139, 4380, 6278, 9417, 12556, 15695, 18834, 31390, 37668, 47085, 62780, 94170, 116741, 188340, 233482, 350223, 466964, 583705, 700446, 1167410, 1400892, 1751115, 2334820, 3502230, 5019863, 7004460, 8522093, 10039726, 15059589, 17044186, 20079452, 25099315, 25566279, 30119178, 34088372, 42610465, 50198630, 51132558, 60238356, 75297945, 85220930, 100397260, 102265116, 127831395, 150595890, 170441860, 255662790, 301191780, 366449999, 511325580, 732899998, 1099349997, 1465799996, 1832249995, 2198699994, 3664499990, 4397399988, 5496749985, 7328999980, 10993499970, 21986999940]

約数ペア:

[(1, 21986999940), (2, 10993499970), (3, 7328999980), (4, 5496749985), (5, 4397399988), (6, 3664499990), (10, 2198699994), (12, 1832249995), (15, 1465799996), (20, 1099349997), (30, 732899998), (43, 511325580), (60, 366449999), (73, 301191780), (86, 255662790), (129, 170441860), (146, 150595890), (172, 127831395), (215, 102265116), (219, 100397260), (258, 85220930), (292, 75297945), (365, 60238356), (430, 51132558), (438, 50198630), (516, 42610465), (645, 34088372), (730, 30119178), (860, 25566279), (876, 25099315), (1095, 20079452), (1290, 17044186), (1460, 15059589), (2190, 10039726), (2580, 8522093), (3139, 7004460), (4380, 5019863), (6278, 3502230), (9417, 2334820), (12556, 1751115), (15695, 1400892), (18834, 1167410), (31390, 700446), (37668, 583705), (47085, 466964), (62780, 350223), (94170, 233482), (116741, 188340)]